All Stories
- Genetics
Explainer: How PCR works
The polymerase chain reaction, or PCR, is like a DNA-copying machine. It duplicates genetic material over and over. Here’s how.
- Health & Medicine
Scientists Say: Frostbite
As we get cold, the blood vessels near our skin constrict to keep body heat in. But in the process, they leave some tissues in danger of frostbite.
- Climate
Climate change could stall Atlantic ocean current
Rising carbon dioxide concentrations in Earth’s atmosphere could disrupt the Atlantic Ocean current after all, a new analysis finds.
- Computing
The Internet of Things wants to link all facets of our world
The Internet of Things means everyday objects are becoming computers. Can people harness this technology to make the world better?
- Chemistry
Here’s how hot water might freeze faster than cold
There’s a new explanation for how hot water freezes faster than cold water. But not everyone agrees it’s right, or that the effect can happen at all.
- Earth
Meet our trashy ‘technosphere’
People are creating a layer of debris and disturbance called the technosphere. A new study estimates just how truly massive it is.
- Health & Medicine
Violence spreads like a virus
New research shows that the friends of violent teens are much more likely to become violent themselves.
- Health & Medicine
Scientists Say: Hypothermia
Our bodies need to stay warm to function correctly. If our temperature drops too much, we can suffer from hypothermia.
- Computing
How to build computer chips only 3 atoms thick
Scientists have engineered an ultrathin material only three atoms thick. The material could be used to make extremely slender computer chips.
- Climate
Earth breaks heat record for third year straight
Climate change and heat from a strong El Niño played roles in making 2016 the hottest year on record.
- Archaeology
Cool Jobs: Hunting surprises in thinning glaciers
Meet three scientists who are tracking the meltdown of Earth’s glaciers. They share their adventures, predictions and unexpected discoveries.
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These science trips for girls are so cool, they’re glacial
These expeditions are definitely cool. Teen girls are invited to apply to these free trips to explore and study glaciers.
