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Evolutionary geneticists and biologists have tracked a ghost species while studying human saliva and its evolution.
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Scientists Say Antarctic Animals May Not Be Safe From Human PathogensTRENDING IN Sci/Health NEWS
1:01
Getty ImagesSingapore Won't Allow Ads For High-Sugar Drinks
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Getty Images'People Search Sites' Make Money Selling Access To Public Documents
1:03
Getty ImagesEPA Proposes Changes To Rules On Lead Contamination In Water
1:38
Getty ImagesFormer EPA Officials Call For Congressional Probe Into Agency
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Getty ImagesCalifornia To Ban Pesticide Linked To Brain Damage In Children
2:19
Getty Images/Justin SullivanPG&E Faces Public Firestorm After Massive Outages Over Wildfire Fears
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Getty ImagesAlaska's Supreme Court Hears Arguments Over Fossil Fuel Laws
2:38
Joseph E. BakerThe Serious Study of Imaginary Friends
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Getty ImagesDevelopers Of Lithium-Ion Batteries Win Nobel Prize In Chemistry
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Getty ImagesCalifornia To Allow HIV Prevention Medication Without Prescription
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Newsy / Jennifer Smart245,000 Kids Attend School Near Oil And Gas Production Across U.S.
0:56
Twitter/@rsallesmmaBolsonaro: Brazil Is Not Responsible For Oil Spill
2:28
Office of Gov. Andrew CuomoNew York Announces Its First Vaping-Related Death
1:07
Mike Mozart / CC BY 2.0Unilever Promises To Process More Plastic Than It Sells By 2025
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Getty ImagesWalgreens And Kroger Will Stop Selling E-Cigarettes
3:45
Newsy / Luke PiotrowskiGhost Forest: Dying trees show climate change's advance
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Getty ImagesEcuador In State Of Emergency Over Fuel Protests
1:23
Getty ImagesFamily Behind Purdue Pharma Made As Much As $13 Billion From Company
1:02
Getty ImagesOregon Governor Issues 6-Month Ban On Flavored Vaping Products
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Getty ImagesResearchers Say Vaping-Related Lung Injuries Look Like Chemical Burns
3:33
Getty ImagesThe Social Science Studies That Can't Be Replicated
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Getty ImagesJustice Department Says DEA Was Slow To Respond To Opioid Epidemic
0:53
Getty ImagesJohnson & Johnson Reaches $20.4M Settlement With Ohio Counties
2:02
Getty ImagesJudge Says Lawsuit Over Bears Ears National Monument Can Continue
3:01
Videoblocks'Cheat Devices' On Almost 4,000 Ships Bypass Environmental Laws
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Getty ImagesWalgreens, CVS Pull Zantac Off Shelves Over Carcinogen Concerns
1:02
Getty ImagesIllicit THC Cartridges May Be Linked To Vaping Illnesses
1:05
Getty ImagesWorldwide Protests Again Call For Action To Fight Climate Change
2:08
Getty ImagesNew York Comptroller Says City Didn't Test Homes Of Lead Cases
1:46
Getty ImagesEPA Says California Is Failing To Protect Its Water Systems
2:01
Getty ImagesU.S. Death Toll Of Vaping-Related Illnesses Rises To 12
1:28
Getty Images17 States Sue Trump Administration Over Endangered Species Act Rules
1:13
World Health OrganizationOver 800,000 Congolese Children To Receive Measles Vaccine
1:23
Getty ImagesFDA Has Asked Other Federal Agencies To Aid Vaping Investigation
1:40
Patrick Rowe / National Science Foundation5 Ways To Address Climate Change's Threat To The Oceans
1:03
Getty ImagesSea Levels Are Rising Faster Than Scientists Previously Estimated
1:57
U.S. Forest ServiceJudge Pauses Timber Sale In Alaska's Tongass National Forest
0:54
Getty ImagesE-Cigarette Brand Juul Reportedly Under Federal Investigation
0:53
Getty ImagesEPA Threatens To Cut California's Highway Funding
1:15
Getty ImagesKansas Officials Announce Another Vaping Death
2:03
Getty ImagesDrinking The Water In Newark? City Officials Say Use EPA Filters
3:08
VideoblocksReport: Signs And Impacts Of Climate Change Are Accelerating
2:41
Getty ImagesWorld Leaders Rebuked For 'Empty Words' At U.N. Climate Summit
1:40
NewsySmall Turnout At D.C. Climate Protest As U.N. Climate Summit Continues
1:29
Getty ImagesWHO Says Tanzania May Be Hiding Possible Ebola Cases
1:39
World Health OrganizationGlobal Aid Group Says It Is Facing Vaccination Roadblocks in Congo
1:22
Getty ImagesAlmost 90 Major Companies Commit To Slash Greenhouse Gas Emissions
2:16
Getty ImagesGlobal Protesters Demand Leaders Take Action On Climate Change
2:45
NewsyYoung Protesters In Chicago Challenge Lawmakers On Climate Change
1:16
Getty ImagesWalmart Says It Will Stop Selling E-Cigarettes Amid Health Concerns
2:49
Paige Gill / National Oceanic and Atmospheric AdministrationThe U.N. Wants To Expand One Of Our Best Carbon Storage Tools
1:56
Getty ImagesKFC Adds Gluttony To Sandwich Wars, And Columnists React
1:50
Getty ImagesEPA Transparency Rule To Move Forward Despite Concerns From Scientists
1:00
Getty Images23 States Sue Trump Administration Over California Auto Emissions Rule
2:10
U.S. Department of Health and Human ServicesSeparated Migrant Children Experience Long-Lasting Mental Impacts
0:59
Getty ImagesNearly A Third Of Birds In U.S. And Canada Have Disappeared Since 1970
1:35
Getty ImagesGlobal Climate Strike Kicks Off In Australia, Thailand And New Zealand
1:24
Getty ImagesTeen Vaping Drastically Increased Over The Past 2 Years
2:00
Getty ImagesHow America Reached The Edge Of Energy Independence
2:50
Getty Images/John MooreReport Warns Of Global Pandemic Without 'Urgent' Prevention Measures
1:06
Getty ImagesFDA Says It's Criminally Investigating Vape-Related Illnesses
1:53
Getty ImagesTrump Administration To Slap San Francisco With EPA Violation
2:18
Getty ImagesMichigan Becomes 2nd State To Officially Ban Flavored E-Cigarettes
1:08
Getty ImagesReport: Border Barrier Could Damage Archaeological Sites In Arizona
2:29
Getty Images/Ulet IfansastiFires Tied To Palm Oil Industry Ravage Indonesia Forests
2:55
Getty ImagesWhat The U.S. Needs To Make A Carbon Tax Work
1:32
Getty ImagesTrump Revokes California's Ability To Set Its Own Emissions Standards
2:40
Gov. Andrew CuomoNew York Becomes First State To Officially Ban Flavored E-Cigarettes
2:40
International Fund for Animal WelfareThese Are The Volunteers Rescuing Dorian's Four-Legged Survivors
2:38
Office of the Governor of CaliforniaCalifornia Governor Announces Executive Action Against Flavored E-Cigs
6:33
Madeline CarlCRISPR Cure For Sickle Cell May Be Slowed By Black Patients' Mistrust
1:28
Jim HendersonCornell Medical School Tackles Student Debt With Full-Ride Offer
1:39
Getty ImagesPurdue Pharma Files For Chapter 11 Bankruptcy
2:03
What It Takes To Get Fresh Meals To Dorian's Survivors
0:45
PixabayFDA Panel Recommends New Peanut Allergy Treatment
0:58
Getty ImagesFDA Finds Traces Of Probable Carcinogen In Some Heartburn Drugs
2:40
Getty Images/Justin SullivanCDC Reports 6 Deaths, 380 Illnesses Linked To E-cigarettes
2:39
Getty ImagesWhy The Trump Administration Can't Regulate Marijuana Vapes
2:41
Matt Anzur / NewsyGrand Bahama Struggles To Recover After Hurricane Dorian
2:29
Getty ImagesWhat's The Difference Between Vaping And Using E-Cigs?
1:08
Getty ImagesHouse Passes Several Bills To Ban Drilling In Parts Of U.S.
1:08
Ol Pejeta Conservancy / Jan StejskalScientists Have Created 2 Northern White Rhino Embryos
0:45
Getty ImagesEPA Officially Scraps Obama-Era Clean Water Regulation
1:29
Getty ImagesPurdue Pharma Tentatively Reaches Deal To Settle Opioid Lawsuit
1:03
European Space Agency/Hubble, M. KornmesserStudy Finds Water In Atmosphere Of Potentially Habitable Planet
1:31
Getty ImagesTrump Administration Looks To Ban Flavored E-Cigarettes
0:55
Getty ImagesU.S. Expands Fishing, Hunting Access In National Wildlife Refuges
1:19
Getty ImagesCalifornia Governor Signs 2 Vaccine Exemption Bills
1:22
Getty ImagesJapan May Dump Toxic Water From Fukushima Into The Ocean
2:45
Getty ImagesWhat We Know About The Vaping-Related Illnesses Plaguing The Nation
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Getty ImagesSummer Heat Waves Killed Nearly 1,500 People In France
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Getty ImagesStudy Links 9/11 Firefighters To Heightened Risk Of Heart Disease
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Getty ImagesDeath Toll In Bahamas Rises To At Least 44 As Dorian Recovery Starts
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Getty ImagesPurdue Pharma Says Opioid Settlement Talks Are Not Over
3:03
Getty ImagesIn Brazil's Amazon, Fires Threaten The Environment And Way Of Life
1:15
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