3,214 results
- Environment
Landscape Explorer shows how much the American West has changed
The online tool stitches together historical images into a map that’s helping land managers make decisions about preservation and restoration.
- Paleontology
Meet the tiny ancient whale named after King Tut
The newly discovered Tutcetus rayanensis lived about 40 million years ago. It was just 2.5 meters long and weighed less than 200 kilograms.
- Paleontology
Dinosaur feathers may have been more birdlike than previously thought
Feather proteins can change during fossilization, raising questions about what dinosaur feathers really can tell us about feather evolution.
- Animals
A 2,200-year-old poop time capsule reveals secrets of the Andean condor
Guano that has accumulated in a cliffside Andean condor nest for 2,200 years reveals how the now-vulnerable birds responded to a changing environment.
- Ecosystems
This seagrass is taking over the Chesapeake Bay. That’s good and bad news
Higher water temperatures are wiping out eelgrass in the Chesapeake Bay and weedy widgeongrass is expanding. Here’s why that seagrass change matters.
- Health & Medicine
A catalog of all human cells reveals a mathematical pattern
Smaller cells occur in larger numbers in the human body, and cells of different size classes contribute equally to our overall mass.
- Archaeology
A puzzling mix of artifacts raises questions about Homo sapiens' travels to China
A reexamined Chinese site points to a cultural mix of Homo sapiens with Neandertals or Denisovans.
- Animals
Static electricity can pull ticks on to their hosts
Ticks brought near objects with a static charge frequently get pulled to those surfaces, a new study finds, suggesting one way the bugs find hosts.
- Life
Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity
A new estimate of microbial life living in Pacific reefs is similar to global counts, suggesting many more microbes call Earth home than thought.
- Animals
These researchers are reimagining animal behavior through a feminist lens
Ambika Kamath and Melina Packer are working to overturn biased, outdated views in biology.
- Life
1.6-billion-year-old steroid fossils hint at a lost world of microbial life
Molecular fossils suggest the existence of a lost world of primitive eukaryotes that dominated aquatic ecosystems from at least 1.6 billion to 0.8 billion years ago.
- Life
Around 13,000 years ago, humans and fire changed LA’s ecosystem forever
Rapid drying combined with human-made fires changed Southern California forever, killing off ancient bison, dire wolves and five other megafauna species there.
