214 results
- Ecosystems
How mammoths competed with other animals and lost
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
- Health & Medicine
Anesthesia for youngsters is a tricky calculation
Scientists, doctors and parents face uncertainty when it comes to anesthesia for babies.
- Animals
Why create a model of mammal defecation? Because everyone poops
Mammals that defecate in the same fashion as humans all excrete waste within the same time frame, no matter their size, a new study finds.
- Particle Physics
Latest dark matter searches leave scientists empty-handed
As the most popular candidates for dark matter fail to show up in detectors, scientists are broadening the search.
- Animals
Panda stalking reveals panda hangouts
Scientists used GPS trackers to learn about the giant panda lifestyle.
- Animals
As panda baby grows, mom’s milk changes
In the first month after a mama panda gives birth, her milk changes in composition, a new study finds.
- Animals
Twin pandas look forward to growth spurts
The surviving panda twin born at the National Zoo last weekend will undergo DNA tests to discover paternity.
- Animals
Giant pandas live in the slow lane
Giant pandas burn far less energy than similarly sized land mammals.
- Animals
Pandas’ gut bacteria resemble carnivores’
Unlike other vegetarians, the bamboo eaters lack plant-digesting microbes.
- Animals
Don’t judge a whale’s gut microbiome by diet alone
Evolutionary history and diet may both determine the microbes that live in a baleen whale's stomach, researchers report.
- Life
For people, mealtime is all the time
People eat for most of their waking hours, which may affect sleep and weight.
- Particle Physics
Dark matter helped destroy the dinosaurs, physicist posits
In ‘Dark Matter and the Dinosaurs,’ Lisa Randall finds connections between particle physics, cosmology, geology and paleontology.
