Earth
- Earth
Scientists Say: Ozone
Ozone is a molecule made of three oxygen atoms. In a layer above the Earth, it protects us from harmful radiation, but too close to home, it can harm our health.
- Earth
Scientists Say: Speleology
This is the scientific study of caves, which can include what they’re made of, how they form and what lives in them.
- Environment
Night lights have a dark side
Artificial light at night not only affects our view of the night sky, but also has the ability to impair animal behaviors — and probably our health.
- Climate
Hotter air may lead planes to carry fewer passengers
Global warming could force airplanes to carry a lighter load on each flight. This could mean fewer passengers can fly on each plane.
- Agriculture
Scientists Say: Domestication
Domestication is the process of deliberately taking a wild organism — a plant or animal for instance — and making it a part of our daily lives.
- Oceans
How the Arctic Ocean became salty
The Arctic Ocean was once a huge freshwater lake, separated from the Atlantic by a ridge of land. Scientists explore how salt water overtook it.
- Chemistry
New ‘magnet’ pulls pesky nonstick pollutants from drinking water
Chemicals that help make pans nonstick can themselves stick around forever in the environment. But a new material can remove them from drinking water.
- Animals
Listening to fish love songs can predict their numbers
Gulf corvinas croak for mates while in groups of millions. By listening to their undersea serenades, scientists may be able to estimate how many are out there.
- Animals
Bee hotels are open for business
Bee hotels are creating a buzz in conservation and research by offering nesting places for wild bees.
- Earth
Antarctic ice shelf sheds Delaware-sized iceberg
Larsen C is a major ice shelf in Antarctica. An iceberg the size of Delaware has just splintered off of it in one of the largest calving events ever recorded.
- Health & Medicine
Hunting the mysterious source of a global illness
Doctors and scientists around the world are scouring the environment for the elusive cause of Kawasaki disease, a harmful childhood illness.
- Animals
Beware the tap of the narwhal’s tusk
A new video shows narwhals using their tusks to tap fish before eating them. They might be stunning their prey — or just playing with their food.
