The muck that’s been accumulating at the bottom of this lake for 20,000 years is like a climate time capsule.
Christopher R. Moore
Christopher R. Moore, University of South Carolina
Why did Earth's climate rapidly cool 12,800 years ago? Evidence is mounting that a comet or asteroid collision is to blame, with new support coming from the bottom of a South Carolina lake.
|
For millennia, theologians taught that the sole purpose of sex was reproductive. Now, almost everyone agrees that sex has many purposes – and benefits.
Dean Drobot/Shutterstock.com
Richard Gunderman, Indiana University
The purpose of sex may seem obvious, but it has perplexed and intrigued a variety of great minds for millennia.
|
|
-
Zachary Jaggers, University of Oregon
How members of America's two parties view the country – and its place in the world – might explain this phenomenon.
-
Bridget Marshall, University of Massachusetts Lowell
Powerful men often proclaim baseless accusations to be a 'witch hunt.' But American witch trials have always targeted a persecuted minority: women.
-
Miles A. Pomper, Middlebury
The US has 50 nuclear bombs stored in Turkey. As tensions rise between the two countries, a look at how they got there and what might happen next.
|
|
