Biological Evolution: Unity and Diversity
- Animals
Around the world, birds are in crisis
Human activities around the world are threatening bird species. Numbers of even some of the most common species are starting to fall.
- Archaeology
This prehistoric woman from Peru hunted big game
Women in the Americas speared large prey as early as 9,000 years ago, new archaeological evidence suggests.
- Genetics
Scientists Say: Evolution
Evolution is how species change over time. Individuals in the group vary, and some will pass on their genes. Over time, the whole species changes.
- Animals
Attack of the inner-cannibal mega-shark
The outsized megalodon was a fierce terror that chewed its way across the oceans. It learned to kill even before it was born.
- Health & Medicine
When physicians and veterinarians team up, all species benefit
When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.
- Plants
Here’s how giant pumpkins get so big
Cinderella took a ride in a pumpkin coach. Though real pumpkins do get big enough, here’s why their ride would be uncomfortable at best.
- Genetics
Gene editing can alter body fat and may fight diabetes
Researchers have long dreamed of using brown fat to fight obesity and diabetes. Work in animals shows they’re closing in on achieving that dream.
- Space
Surviving Mars missions will take planning and lots of innovation
Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.
- Health & Medicine
Some Neandertal genes may up the risk of severe COVID-19
Most of the affected people descend from communities in South Asia or live in Europe today.
- Health & Medicine
Let’s learn about bones
Bones hold us up and help us fight gravity with every step. They also make blood cells, hormones and more.
- Health & Medicine
Trio wins 2020 Nobel for discovery of hepatitis C
It took 50 years from discovery of hepatitis C to its cure. For their pivotal work in this area, three men will take home a 2020 Nobel Prize.
- Archaeology
See what these animal mummies are keeping under wraps
A new method of 3-D scanning mummified animals reveals life and death details of a snake, a bird and a cat that lived in ancient Egypt.
