Animals
- Animals
Face it: Sheep are just like us when it comes to recognizing people
Sheep trained to recognize celebrity faces demonstrate that the animals have face-recognition capabilities similar to humans and other primates.
- Ecosystems
Invasive species are a growing global threat
'The Aliens Among Us' describes how invasive species are colonizing — and disrupting — ecosystems worldwide.
- Animals
Here’s why some water striders have fans on their legs
A fan of tiny, elegant plumes on their legs helps certain water striders dash across flowing water without getting wet.
- Animals
Alligators eat sharks — and a whole lot more
Alligators aren’t just freshwater creatures. They swim to salty waters and back, munching on plenty of foods along the way.
- Animals
Leafhoppers use tiny light-absorbing balls to conceal their eggs
Leafhoppers produce microscopic balls that absorb light rather than reflect it and help camouflage the insects’ eggs.
- Animals
No more than 800 orangutans from this newly identified species remain
Endangered population of orangutans is the oldest surviving red ape lineage, a new study finds.
- Animals
Ants were among the world’s first farmers
50 years ago, researchers began unraveling the secrets to Attine ants’ green thumbs.
- Earth
Dino-dooming asteroid impact created a chilling sulfur cloud
The Chicxulub impact spewed more sulfur than previously believed.
- Animals
Great praise for categories, and seeing beyond them
Acting Editor in Chief Elizabeth Quill discusses classification and some of the challenges of putting species in categorical boxes.
- Health & Medicine
Readers intrigued by ancient animals’ bones
Readers had questions about gut bacteria, woolly rhino ribs and ancient horses hooves.
- Animals
This sea slug makes its prey do half the food catching
Nudibranchs’ stolen meals blur classic predator-prey levels.
- Life
Hybrids reveal the barriers to successful mating between species
Scientists don’t understand the process of speciation, but hybrids can reveal the genes that keep species apart.
