Nuke News (Moderator: Marlin)

5 Reasons

Started by Ksheed

Replies: 4
Views: 2,928

Jun 18, 2018, 09:45
by Chimera

5 Radioactive Products We Use Every Day

Started by Marlin

Replies: 0
Views: 604

Sep 12, 2023, 12:59
by Marlin

5 potential paths to a fusion energy breakthrough

Started by Marlin

Replies: 0
Views: 605

May 22, 2023, 11:33
by Marlin

5 Nuclear Energy Stories to Watch in 2025

Started by Marlin

Replies: 0
Views: 738

Jan 10, 2025, 12:26
by Marlin

5 Nuclear Energy Stories to Watch in 2023

Started by Marlin

Replies: 0
Views: 551

Jan 11, 2023, 01:25
by Marlin

5 Key Takeaways from the FY25 Budget Request for Nuclear Energy

Started by Marlin

Replies: 0
Views: 669

Mar 11, 2024, 03:26
by Marlin

5 Key Highlights from the FY24 Budget Request for Nuclear Energy

Started by Marlin

Replies: 0
Views: 557

Apr 03, 2023, 12:09
by Marlin

5 Energy Trends to Watch in 2016

Started by Marlin

Replies: 3
Views: 3,557

Jan 01, 2016, 08:58
by Bonds 25

5 Countries with the Largest Nuclear Power Plants

Started by Marlin

Replies: 0
Views: 573

Jan 05, 2024, 11:39
by Marlin

5 Clean Energy Innovations That Could Transform Our World

Started by Marlin

Replies: 0
Views: 1,610

May 10, 2017, 10:52
by Marlin

45K gallons of radioactive water to be dumped into Hudson River from Indian Poin

Started by Marlin

Replies: 0
Views: 1,525

Oct 06, 2025, 10:55
by Marlin

44 years ago today: A near-disaster at Three Mile Island

Started by Marlin

Replies: 0
Views: 775

Mar 28, 2023, 06:28
by Marlin

400,000 gallons of radioactive water leaked from a nuclear plant in Minnesota

Started by Marlin

Replies: 1
Views: 656

Mar 18, 2023, 11:50
by Mounder

40 Years After Three Mile Island, Americans Split on Nuclear Power

Started by Marlin

Replies: 0
Views: 1,218

Mar 29, 2019, 01:07
by Marlin

4 Ways To Lower Nuclear Plant Construction Costs, According To MIT

Started by Marlin

Replies: 0
Views: 1,219

Oct 05, 2018, 09:50
by Marlin

4 things to watch at DOE in 2026

Started by Marlin

Replies: 0
Views: 2,013

Jan 16, 2026, 11:34
by Marlin

4 things to watch at DOE in 2026

Started by Marlin

Replies: 0
Views: 1,668

Jan 20, 2026, 12:45
by Marlin

4 Nuclear Energy Storylines to Watch in 2024

Started by Marlin

Replies: 0
Views: 622

Jan 16, 2024, 11:19
by Marlin

4 more workers test positive for COVID-19 at Waste Isolation Pilot Plant

Started by Marlin

Replies: 1
Views: 1,165

Nov 09, 2020, 02:34
by Mounder

4 Key Updates to the U.S. Department of Energy Consent-Based Siting Process

Started by Marlin

Replies: 3
Views: 796

Apr 26, 2023, 11:38
by Mounder

4 GAIN Vouchers Awarded to Advance Data Center, Microreactor Deployment

Started by Marlin

Replies: 0
Views: 607

Sep 24, 2024, 03:18
by Marlin

4 Crucial Steps the Biden-Harris Administration is Taking to Secure a Nuclear Fu

Started by Marlin

Replies: 0
Views: 714

Apr 19, 2024, 02:15
by Marlin

3rd guilty plea in South Carolina nuclear project failure

Started by Marlin

Replies: 0
Views: 888

Jun 11, 2021, 10:43
by Marlin

3Q: Why “nuclear batteries” offer a new approach to carbon-free energy

Started by Marlin

Replies: 0
Views: 781

Jun 28, 2021, 10:51
by Marlin

3D-printed tool at SRS makes quicker work of tank waste sampling

Started by Marlin

Replies: 0
Views: 1,827

Dec 09, 2025, 10:00
by Marlin

3D-printed steel capsules endure nuclear reactor testing

Started by Marlin

Replies: 0
Views: 1,478

Jul 21, 2025, 12:27
by Marlin

3D-printed nuclear batteries could power long-duration space, defense missions

Started by Marlin

Replies: 0
Views: 1,443

Feb 10, 2026, 02:16
by Marlin

3D-printed fuel component installed at Swedish reactor

Started by Marlin

Replies: 0
Views: 547

Sep 21, 2022, 12:03
by Marlin

3D-printed components in service at TVA reactor

Started by Marlin

Replies: 0
Views: 751

Aug 10, 2021, 11:47
by Marlin

3D-printed components are now in use at US nuclear plant

Started by Marlin

Replies: 0
Views: 775

Aug 17, 2021, 03:25
by Marlin

3D printing to quicken construction and lower costs tested at Kairos Power campu

Started by Marlin

Replies: 0
Views: 2,336

Jul 29, 2025, 09:43
by Marlin

3D printing and AI will bring in 'new era of nuclear construction' - but how saf

Started by Marlin

Replies: 0
Views: 12,367

Aug 13, 2025, 11:45
by Marlin

3D printers to be used in fuel manufacture

Started by Marlin

Replies: 0
Views: 694

Mar 10, 2022, 12:51
by Marlin

3D Printed, Radioactive Tritium Flashlight

Started by Marlin

Replies: 2
Views: 4,282

Jan 28, 2015, 07:11
by MrHazmat

39 years since TMI accident, but process hasn’t officially started

Started by Marlin

Replies: 0
Views: 1,463

Mar 30, 2018, 04:04
by Marlin

35 years later, Chernobyl continues to warn, inspire

Started by Marlin

Replies: 0
Views: 847

Apr 27, 2021, 11:43
by Marlin

300 Restricted for Nuke Training Lapses at Naval Shipyard

Started by Marlin

Replies: 1
Views: 2,317

Oct 07, 2014, 09:33
by johnnieslingshot

30 Years Later, This Big Boy Fusion Reactor Is Almost Ready to Turn On

Started by Marlin

Replies: 0
Views: 1,064

Apr 29, 2020, 08:20
by Marlin

30 Years Later, Tech Researchers Are Still Learning from Chernobyl Disaster - EverythingLubbock.com

Started by NukeWorkers News Bot

Replies: 0
Views: 1,386

Apr 27, 2016, 10:32
by NukeWorkers News Bot

30 Years After Chernobyl Disaster, Shelter Nears Completion - New York Times

Started by NukeWorkers News Bot

Replies: 0
Views: 1,767

Apr 28, 2016, 12:00
by NukeWorkers News Bot

3-meter tsunami reached nuclear plant after powerful Japan quake

Started by Marlin

Replies: 0
Views: 619

Jan 10, 2024, 12:39
by Marlin

3 Workforce Trends in Nuclear Energy in 2025

Started by Marlin

Replies: 0
Views: 3,083

Dec 17, 2025, 05:12
by Marlin

3 Things to Know about the Onkalo Repository for Spent Nuclear Fuel

Started by Marlin

Replies: 0
Views: 570

Jul 03, 2024, 10:17
by Marlin

3 things to know about spent nuclear fuel dry cask storage

Started by Marlin

Replies: 0
Views: 732

Feb 20, 2024, 11:32
by Marlin

3 states with shuttered nuclear plants see emissions rise

Started by Marlin

Replies: 3
Views: 1,097

Feb 18, 2022, 01:55
by GLW

3 Reasons Why We Don’t Launch Nuclear Waste into Space

Started by Marlin

Replies: 0
Views: 592

Apr 05, 2023, 12:48
by Marlin

3 Reasons Nuclear Power Plants Are More Expensive In The West

Started by Marlin

Replies: 0
Views: 1,281

Oct 02, 2018, 01:11
by Marlin

3 Reasons Nuclear Power Has Returned to the Energy Debate

Started by Marlin

Replies: 0
Views: 764

Jan 05, 2022, 12:14
by Marlin

3 Questions: What should scientists and the public know about nuclear waste?

Started by Marlin

Replies: 0
Views: 592

Oct 20, 2023, 11:06
by Marlin

3 Microreactor Experiments to Watch Starting in 2026

Started by Marlin

Replies: 0
Views: 660

Dec 13, 2023, 04:01
by Marlin

3 magic keys to unlock a permanent home for nuclear waste

Started by Marlin

Replies: 1
Views: 901

Feb 14, 2022, 12:40
by GLW

3 Huge Energy Developments in 2013

Started by Marlin

Replies: 0
Views: 2,734

Dec 10, 2013, 05:42
by Marlin

3 GAIN Vouchers Awarded to Companies Advancing Nuclear Fuel, Materials, and Sens

Started by Marlin

Replies: 0
Views: 1,384

Jun 06, 2025, 11:24
by Marlin

3 Early-Stage R&D Programs Transforming the Nuclear Industry

Started by Marlin

Replies: 0
Views: 748

May 27, 2022, 10:45
by Marlin

3 Companies Awarded GAIN Vouchers to Advance Nuclear Technologies

Started by Marlin

Replies: 0
Views: 742

Mar 19, 2024, 01:32
by Marlin

28k year bat

Started by SloGlo

Replies: 2
Views: 1,237

Aug 26, 2020, 08:27
by peteshonkwiler

25th anniversary of failure (and a chance at opportunity)

Started by Marlin

Replies: 0
Views: 642

Feb 03, 2023, 12:09
by Marlin

25 SMR license applications expected by 2029, plus six other takeaways from FERC

Started by Marlin

Replies: 0
Views: 577

Jan 26, 2024, 12:47
by Marlin

2026 will be the year of space nuclear power and surviving the lunar night

Started by Marlin

Replies: 0
Views: 1,783

Jan 14, 2026, 09:40
by Marlin

2025’s Energy Megatrends: Seeking Energy Security And Reviving Nuclear

Started by Marlin

Replies: 0
Views: 751

Dec 24, 2024, 10:43
by Marlin

2025: The year in nuclear

Started by Marlin

Replies: 0
Views: 1,584

Jan 09, 2026, 03:07
by Marlin

2025 in Review: ORNL’s Top Science News Stories

Started by Marlin

Replies: 0
Views: 2,131

Dec 30, 2025, 11:19
by Marlin

2025 annual assessments out for U.S. reactors

Started by Marlin

Replies: 0
Views: 36

Mar 17, 2026, 10:51
by Marlin

2024: The State of Advanced Reactors

Started by Marlin

Replies: 0
Views: 666

Jan 19, 2024, 09:40
by Marlin

2024 US figures show increase in domestic U purchases

Started by Marlin

Replies: 0
Views: 1,950

Oct 09, 2025, 12:52
by Marlin

2024 Climate Tech Companies to Watch: Kairos Power and its molten salt–cooled nu

Started by Marlin

Replies: 0
Views: 601

Oct 02, 2024, 12:32
by Marlin

2024 YEAR IN REVIEW

Started by Marlin

Replies: 0
Views: 671

Dec 30, 2024, 01:36
by Marlin

2023 Space Reading List: The Case For Nukes

Started by Marlin

Replies: 1
Views: 774

Mar 27, 2023, 03:08
by Bonds 25

2022 mapping the global market for advanced nuclear

Started by Marlin

Replies: 0
Views: 579

Nov 17, 2022, 09:35
by Marlin

2021 ANS Virtual Annual Meeting: Better TENORM regulations needed

Started by Marlin

Replies: 0
Views: 891

Jun 16, 2021, 11:42
by Marlin

2020 enforcement cases rise but still below five-year average

Started by Marlin

Replies: 0
Views: 820

Jun 23, 2021, 10:59
by Marlin

2016-The Year in Nuclear

Started by Ksheed

Replies: 0
Views: 1,647

Jan 03, 2017, 04:32
by Ksheed

2016 Washington Summit

Started by NukeWorkers News Bot

Replies: 0
Views: 1,514

Apr 27, 2016, 10:46
by NukeWorkers News Bot

2016 Was a Challenging Year for Nuclear Power. Or Was It?

Started by Marlin

Replies: 0
Views: 1,728

Jan 03, 2017, 10:49
by Marlin

2016 -- The Year In Nuclear

Started by Marlin

Replies: 0
Views: 1,499

Jan 05, 2017, 09:20
by Marlin

2015's Electricity Retirements

Started by Ksheed

Replies: 0
Views: 1,883

Mar 10, 2016, 02:33
by Ksheed

2013 U.S.-Japan CNO Summit

Started by Ksheed

Replies: 0
Views: 2,429

Nov 12, 2013, 09:51
by Ksheed

200 gallons of oil leaks from Minnesota nuclear power plant, Xcel Energy says

Started by Marlin

Replies: 0
Views: 78

Mar 12, 2026, 11:02
by Marlin

200 die at test facility

Started by SloGlo

Replies: 0
Views: 2,034

Oct 31, 2017, 10:14
by SloGlo

20,000 megawatts under the sea: Oceanic steam engines

Started by Marlin

Replies: 7
Views: 5,828

Mar 07, 2014, 01:53
by Marlin

20 years in the making, massive nuclear plant takes final steps to treating

Started by Marlin

Replies: 1
Views: 1,035

Nov 24, 2021, 09:30
by Bonds 25

20 December

Started by atomicarcheologist

Replies: 0
Views: 1,363

Dec 20, 2018, 09:43
by atomicarcheologist

2 seconds to cut nuclear reactor risk: Breakthrough tech tracks hazards in a jif

Started by Marlin

Replies: 0
Views: 659

Nov 18, 2024, 11:21
by Marlin

2 Seattle startups racing to transform next-gen space travel

Started by Marlin

Replies: 0
Views: 688

Jun 28, 2022, 11:23
by Marlin

2 nuclear power plants are right in the path of Hurricane Florence

Started by Marlin

Replies: 1
Views: 1,635

Sep 13, 2018, 02:41
by scotoma

2 No-Brainer Nuclear Energy Stocks to Buy With $2,000 Right Now

Started by Marlin

Replies: 0
Views: 2,623

Nov 24, 2025, 12:43
by Marlin

2 House bills push for nuclear energy in Hawaii

Started by Marlin

Replies: 3
Views: 889

Jan 31, 2024, 07:53
by Mounder

2 Companies Awarded GAIN Vouchers to Lower Costs for Nuclear Plants and Further

Started by Marlin

Replies: 0
Views: 697

Jun 20, 2024, 01:53
by Marlin

2 charged in case of illegal exports for Russian nuclear energy

Started by Marlin

Replies: 0
Views: 677

Sep 17, 2024, 12:08
by Marlin

2 billion-year-old African nuclear reactor

Started by Marlin

Pages1 2 All

Replies: 26
Views: 17,832

Jun 15, 2015, 08:26
by SloGlo

1st Thoughts ~ Four Executive Orders on Nuclear Energy

Started by Marlin

Replies: 0
Views: 843

May 27, 2025, 11:17
by Marlin

1st s.m.r. @ clinch river

Started by SloGlo

Replies: 0
Views: 859

Feb 10, 2022, 09:46
by SloGlo

1st molten salt nuclear reactor in 30 years gains historic permit from US Agency

Started by Marlin

Replies: 0
Views: 684

Sep 17, 2024, 12:27
by Marlin

1st Enlisted Female Sub Sailors Start Training in Groton

Started by Ksheed

Replies: 1
Views: 2,292

Aug 28, 2015, 09:37
by Content1

1sr long term storage

Started by SloGlo

Replies: 2
Views: 1,585

Aug 10, 2020, 09:00
by peteshonkwiler

1M gallons of water removed from Y-12's Beta-1 facility, 450K gallons to go

Started by Marlin

Replies: 0
Views: 649

Oct 10, 2023, 11:24
by Marlin

1940s-era reactor demolished at Oak Ridge National Laboratory as part of massive

Started by Marlin

Replies: 0
Views: 649

Sep 28, 2023, 06:41
by Marlin

185 Employees Leave Los Alamos Nuclear Weapons Lab Due to Vaccine Mandate

Started by Marlin

Replies: 0
Views: 1,030

Oct 24, 2021, 08:09
by Marlin

1750 mega whats

Started by SloGlo

Replies: 0
Views: 1,304

Dec 26, 2018, 10:24
by SloGlo

168 ours; htgr good too go

Started by SloGlo

Replies: 0
Views: 633

Dec 11, 2023, 12:14
by SloGlo

1600 mw epr pwr gets license

Started by SloGlo

Replies: 1
Views: 1,716

Apr 04, 2019, 11:12
by retired nuke

150 knew nuke too bee bilt

Started by SloGlo

Replies: 0
Views: 859

Mar 25, 2022, 07:25
by SloGlo

150 employees added to Palisades amid reopening efforts

Started by Marlin

Replies: 0
Views: 649

Jul 12, 2024, 02:07
by Marlin

15 Biggest Nuclear Energy and Reactor Companies in the World

Started by Marlin

Replies: 0
Views: 774

Jan 10, 2023, 01:33
by Marlin

13 takeaways from Trump's executive orders on nuclear power

Started by Marlin

Replies: 1
Views: 1,004

May 28, 2025, 11:13
by Mounder

13 Best Nuclear Power Stocks to Buy According to Analysts

Started by Marlin

Replies: 0
Views: 2,546

Oct 17, 2025, 01:28
by Marlin

125 square miles off New York coast dedicated for wind power

Started by Ksheed

Replies: 1
Views: 2,273

Mar 16, 2016, 09:18
by Bonds 25

11 years later, fate of Fukushima reactor cleanup uncertain

Started by Marlin

Replies: 0
Views: 809

Mar 11, 2022, 10:42
by Marlin

11 maps that explain energy in America

Started by Ksheed

Replies: 1
Views: 2,266

Jul 29, 2015, 10:56
by SloGlo

11 Hanford workers sick Thurs. from vapors

Started by Rennhack

Replies: 0
Views: 2,688

May 01, 2016, 12:09
by Rennhack

11 Big Wins for Nuclear in Trump Administration's First 100 Days

Started by Marlin

Replies: 0
Views: 888

Apr 29, 2025, 03:38
by Marlin

11 Big Wins for Nuclear Energy in 2024

Started by Marlin

Replies: 0
Views: 672

Dec 31, 2024, 11:42
by Marlin

11 Big Wins for Nuclear Energy in 2022

Started by Marlin

Replies: 0
Views: 644

Jan 04, 2023, 08:51
by Marlin

100,000 N thrust-powered nuclear rocket could offer fastest Mars trips

Started by Marlin

Replies: 0
Views: 777

May 02, 2024, 11:52
by Marlin

100 percent renewable energy in California by 2050 needs nuclear in the mix

Started by Ksheed

Replies: 2
Views: 2,244

Jul 10, 2017, 05:57
by hamsamich

10 years ago, we were turning nuclear bombs into nuclear energy. We can do it ag

Started by Marlin

Replies: 0
Views: 617

Feb 16, 2023, 10:38
by Marlin

10 Unsolved Nuclear Mysteries

Started by Ksheed

Replies: 1
Views: 2,620

Sep 16, 2015, 10:22
by Mounder

10 trends shaping the electric utility industry in 2017

Started by Marlin

Replies: 2
Views: 2,913

Feb 01, 2017, 10:19
by Marlin

10 MWe steam turbine to boost next-gen sodium-cooled US nuclear reactor’s effici

Started by Marlin

Replies: 0
Views: 145

Mar 06, 2026, 11:10
by Marlin

10 Central Coast groups lobby to save $85 million Diablo Canyon settlement

Started by Marlin

Replies: 0
Views: 1,633

Nov 28, 2017, 11:29
by Marlin

10 Big Wins for Nuclear Energy in 2023

Started by Marlin

Replies: 0
Views: 753

Dec 27, 2023, 02:10
by Marlin

1/4 of nukes unprofitable oar closing

Started by SloGlo

Replies: 0
Views: 1,607

May 19, 2018, 01:01
by SloGlo

1,200 workers hired for a big job at Northwest’s only nuclear power plant. Here’

Started by Marlin

Replies: 0
Views: 648

May 09, 2023, 11:54
by Marlin

(Near Dwane Arnold) Google considers more data centers in Linn County, funds stu

Started by Marlin

Replies: 0
Views: 1,961

Oct 09, 2025, 11:42
by Marlin

'Z machine' could provide fusion energy of the future

Started by Marlin

Replies: 0
Views: 1,846

Nov 10, 2016, 04:17
by Marlin

'We have harnessed the power of the atom:' Enron parody unveils at-home nuclear

Started by Marlin

Replies: 0
Views: 641

Jan 07, 2025, 01:36
by Marlin

'We cannot afford to double down': Lamont's embrace of nuclear, natural gas rank

Started by Marlin

Replies: 0
Views: 713

Jan 10, 2025, 03:10
by Marlin

'Turning point' for laser uranium enrichment

Started by Ksheed

Replies: 4
Views: 4,538

Mar 08, 2014, 08:08
by Ksheed

'The Nuclear Option' on CNBC 14OCT2008

Started by emd44

Replies: 7
Views: 9,044

Oct 15, 2008, 06:27
by Nuclear NASCAR

'Superload' Lumbers Across Pennsylvania, Two Lanes Wide and as Heavy as Two Whal

Started by Marlin

Replies: 0
Views: 879

Jan 15, 2022, 08:06
by Marlin

'Superfund' site in Anderson County cleaned up after 18 months

Started by Marlin

Replies: 0
Views: 2,543

Aug 20, 2025, 01:41
by Marlin

'State consent' on nuclear stripped from Senate bill

Started by Marlin

Replies: 0
Views: 763

Mar 18, 2024, 11:55
by Marlin

'Sparking' nuclear waste drum at Los Alamos National Lab leads to evacuation

Started by Marlin

Replies: 0
Views: 857

Apr 01, 2021, 11:56
by Marlin

'Slap in the Face': Victims of Trinity Test Radiation Say Congress Again Let The

Started by Marlin

Replies: 0
Views: 651

Dec 11, 2023, 01:18
by Marlin

'Reuters' Reporter Explores Life In Chernobyl 30 Years After Nuclear Disaster - NPR

Started by NukeWorkers News Bot

Replies: 0
Views: 1,514

Apr 27, 2016, 10:38
by NukeWorkers News Bot

'Quite odd': coral and fish thrive on Bikini Atoll 70 years after nuclear tests

Started by Marlin

Replies: 0
Views: 2,121

Jul 15, 2017, 10:02
by Marlin

'Operation Gigawatt' to boost Utah's energy supply with nuclear, geothermal powe

Started by Marlin

Replies: 0
Views: 651

Oct 09, 2024, 10:06
by Marlin

'Nuclear Now' Documentary Highlights the Need for Permitting Reforms Now

Started by Marlin

Replies: 0
Views: 643

May 16, 2023, 04:36
by Marlin

'Nuclear is back on,' bolstered by Russian supply gap: Cameco CEO

Started by Marlin

Replies: 0
Views: 637

Feb 10, 2023, 10:39
by Marlin

'Not bonkers': Hydrogen could give US nuclear plants new lease on life

Started by Marlin

Replies: 0
Views: 845

Apr 06, 2021, 11:16
by Marlin

'Not admissible': Request for formal hearing challenging Palisades re-opening de

Started by Marlin

Replies: 0
Views: 650

Apr 07, 2025, 12:11
by Marlin

'Misled The World' When Adopting Radiation Exposure Guidelines

Started by Marlin

Replies: 10
Views: 8,604

Aug 19, 2013, 08:51
by SloGlo

'Kilopower' Could Power a Mars Colony and Deep Space Missions

Started by Marlin

Replies: 1
Views: 1,685

Apr 14, 2018, 01:21
by BetaAnt

'It's the future': How going small may fuel nuclear power's comeback

Started by Marlin

Replies: 0
Views: 1,540

Jul 01, 2019, 11:12
by Marlin

'It's a community of women': Nuclear energy leader discusses Pittsburgh conferen

Started by Marlin

Replies: 0
Views: 694

Jul 30, 2024, 11:34
by Marlin

'In 2024, we can't rely on studies that were done in 1986': Arizona AG wants new

Started by Marlin

Replies: 0
Views: 767

Aug 15, 2024, 10:35
by Marlin

'Historic' USD1.5 billion upgrade for US national labs

Started by Marlin

Replies: 0
Views: 696

Nov 07, 2022, 11:58
by Marlin

'Historic opportunity': Palisades Nuclear Power Plant owner discusses steps to r

Started by Marlin

Replies: 6
Views: 1,214

Feb 07, 2024, 06:23
by fiveeleven

'Grand national challenge': US skunk works engineers energy system of the future

Started by Marlin

Replies: 0
Views: 924

Dec 17, 2020, 12:39
by Marlin

'Gender-Fluid' Biden Official Charged With Stealing Woman's Luggage

Started by Marlin

Replies: 13
Views: 2,263

Dec 14, 2022, 08:45
by fiveeleven