Uncategorized
- Animals
Deep-sea mining could imperil rare, ghostlike octopus
A newly discovered octopus lays its eggs in a dangerous spot: where companies are looking to mine valuable metals for use in cell phones and computers.
- Computing
When your stuff spies on you
More ordinary objects are going online. These make up the Internet of Things. But as they collect data about you and your world, they also bring security risks.
- Brain
Stuttering: Blood flow in the brain may play a role
A new study shows people who stutter have less blood flow to a language center in the brain known as Broca’s area.
- Animals
What killed the dinosaurs?
New evidence is emerging that a devastating combo of events — an asteroid impact and supervolcanoes — may be behind the dinosaurs’ demise.
- Earth
Drilling into a dinosaur killer
An asteroid that hit the Earth 66 million years ago killed off the dinosaurs. Now scientists are drilling into the giant crater left behind.
- Chemistry
How to spin synthetic spider silk
A new method for spinning artificial spider silk combines parts of proteins from two species and mimics what happens in a spider’s silk-forming gland.
- 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.
