Source: John D. & Catherine T. MacArthur Foundation

Richard Prum: How Does Beauty Evolve?

Prum speaks on Darwin’s idea of sexual selection, the importance of arbitrary traits, and why he could never choose a favorite species of bird.
An opossum feigning death

The Biology of Death-Feigning

Some animals, when faced with predators, play dead instead of trying to escape. But for death-feigning to work, a lot of things have to go well.
Source: https://commons.wikimedia.org/wiki/File:Argonauta_argo_Merculiano.jpg

Paper Nautilus, Octopus of the Open Sea

Why the argonaut, or paper nautilus, may be your new favorite cephalopod.
A tarsier

Can Wildlife Adapt to Heat Waves?

Heatwaves have led to widespread deaths of animals like big-eyed tarsiers and flying foxes. Is there hope for species like this as temperatures rise?

Love, Sex, and Cyanide—The Private Life of a Toxic Butterfly

Heliconian butterflies choose mates with similar wing patterns. Their genes make them do it.

Buzzing In at the “Bee & Bee”

City gardens and hotel rooftops can serve as refuges—and food corridors—for the troubled species.
conodonts

The Most Abundant Creature You’ve Never Heard Of

Conodonts are actually older than the oldest previously known vertebrates, making them the earliest known “skeletonized” vertebrates in existence.
Yaxchilán, Maya ancient city

Why Civilizations End

Scientists studying fallen civilizations suggest that the culprit is overshoot in combination with climate change. What does this mean for our current era?

Do Dolphins and Orcas Really Kill Their Young?

Stunned marine biologists watched a young mother orca desperately trying to save her baby.
herd of mammoths

What Really Happened to the Megafauna

Could humans be responsible for the extinction of megafauna like giant sloths and mastodons?