Do Dolphins and Orcas Really Kill Their Young?

Stunned marine biologists watched a young mother orca desperately trying to save her baby.
Busy beaver

The Busy, Beneficial Beaver

Americans have long viewed beavers as nuisances. But their dams are important for water management, helping to store and recharge depleted groundwater.
Glyptodon

Megafauna Memories?

Some folklorists have hypothesized that the mythical beasts and monsters of legend were actually inspired by shadowy collective memories of megafauna.
Poison Ivy leaves

How Poison Ivy Works

Where poison ivy comes from, why it gives some people such terrible reactions, and why—unfortunately for hikers and gardeners—its future is bright.
seagrass in blue ocean

Why We Need Seagrass

Seagrass meadows are habitats for a variety of marine life, and a vital link between land and sea. But these crucial plants are increasingly under threat.
Nuremberg locusts

The Long-Lost Locust

The 1874 locust swarm was estimated to be twice the square mileage of the state of Colorado. Why don't locusts swarm anymore?
blob sea monster

The Myth of the St. Augustine Monster

The idea of the gigantic octopus has tantalized marine scientists for years, although its existence had never been conclusively proven.
Cuckoo wasp

The Overlooked Importance of Parasites

Parasites can be creepy, but according to some ecologists, parasites may substantially impact entire ecosystems—for the better.
herd of mammoths

What Really Happened to the Megafauna

Could humans be responsible for the extinction of megafauna like giant sloths and mastodons?
Illustration: a flower and leaf of the Franklinia alatamaha by William Bartram (1782)

Source: https://en.wikipedia.org/wiki/Franklinia#/media/File:William_Bartram01.jpg

America’s Mysterious Lost Tree

Extinct in the wild, the Franklinia tree is still cultivated in botanical gardens, private homes, parks, even cemeteries. It's also got an interesting Revolutionary-era backstory.