The Disturbing Signs Earth Is Already Amid a Mass Extinction Event (Video)

Slate in motion.
July 31 2014 12:37 PM

Are We Already in a Mass Extinction Event?  

A biologist traced the evidence and came to a sobering conclusion.

455770545BS0001_VirungaWWF
ISHANGO, LAKE EDWARD, DEMOCRATIC REPUBLIC OF CONGO - AUGUST 9: A bull elephant bathes and drinks water on the Northern shores of Lake Edward inside Virunga National Park, on August, 9 2013 in Ishango, DR Congo. This place is close to Kavanyongi, the biggest village on the lake shores on the Congolese side, with a population of 30 000. Ishango in the 'Block V' area of Virunga National Park. UK company Soco International PLC is planning to explore for oil in DRC's Virunga National Park, a protected World Heritage Site and most biodiverse park in Africa. (Photo by Brent Stirton/Getty Images for WWF-Canon)

Brent Stirton

A new analysis published in Science traces how “defaunation”—the decline of species like elephants and polar bears—is consistent with mass extinction events in the past.

Dallas Jensen is a regular video contributor to Slate.

TODAY IN SLATE

Politics

Don’t Worry, Obama Isn’t Sending U.S. Troops to Fight ISIS

But the next president might. 

The Extraordinary Amicus Brief That Attempts to Explain the Wu-Tang Clan to the Supreme Court Justices

Amazon Is Officially a Gadget Company. Here Are Its Six New Devices.

The Human Need to Find Connections in Everything

It’s the source of creativity and delusions. It can harm us more than it helps us.

How Much Should You Loathe NFL Commissioner Roger Goodell?

Here are the facts.

Altered State

The Plight of the Pre-Legalization Marijuana Offender

What should happen to weed users and dealers busted before the stuff was legal?

Surprise! The Women Hired to Fix the NFL Think the NFL Is Just Great.

You Shouldn’t Spank Anyone but Your Consensual Sex Partner

Moneybox
Sept. 17 2014 5:10 PM The Most Awkward Scenario in Which a Man Can Hold a Door for a Woman
  News & Politics
Altered State
Sept. 17 2014 11:51 PM The Plight of the Pre-Legalization Marijuana Offender What should happen to weed users and dealers busted before the stuff was legal?
  Business
Business Insider
Sept. 17 2014 1:36 PM Nate Silver Versus Princeton Professor: Who Has the Right Models?
  Life
Outward
Sept. 17 2014 6:53 PM LGBTQ Luminaries Honored With MacArthur “Genius” Fellowships
  Double X
The XX Factor
Sept. 17 2014 6:14 PM Today in Gender Gaps: Biking
  Slate Plus
Slate Fare
Sept. 17 2014 9:37 AM Is Slate Too Liberal?  A members-only open thread.
  Arts
Brow Beat
Sept. 17 2014 8:25 PM A New Song and Music Video From Angel Olsen, Indie’s Next Big Thing
  Technology
Future Tense
Sept. 17 2014 9:00 PM Amazon Is Now a Gadget Company
  Health & Science
Medical Examiner
Sept. 17 2014 11:48 PM Spanking Is Great for Sex Which is why it’s grotesque for parenting.
  Sports
Sports Nut
Sept. 17 2014 3:51 PM NFL Jerk Watch: Roger Goodell How much should you loathe the pro football commissioner?