New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution's catastrophe response speed.

In Cape Verde, conservation has boosted the sea turtle population 100-fold — but the male-female balance is way off.

Rena Cohen is a sophomore at Washington University in St. Louis studying psychology and Spanish. She runs a daily mini crossword through her school's paper at games.studlife.com.

We rely on ads to keep creating quality content for you to enjoy for free. Please support our site by disabling your ad blocker.