Humans
- Space
Four researchers on Earth are spending a year on ‘Mars’
A crew of four entered Mars Dune Alpha in Houston, Texas. They will remain isolated inside for a year, living and working as if on the Red Planet.
- Health & Medicine
RNA work that led to COVID-19 vaccines wins 2023 Nobel in medicine
Katalin Karikó and Drew Weissman overcame hurdles to using mRNA for medicine. This led to COVID vaccines — and maybe, one day, some for other infections.
- Psychology
Spending time in green spaces can provide big health benefits
Walking through a park or playing in a yard can make you feel better, both mentally and physically. Here’s how — and evidence it works for people at any age.
- Archaeology
Let’s learn about Stonehenge
Questions remain about exactly who built Stonehenge and why. But some details are known about the site’s origins.
- Tech
A puff of air could deliver vaccines needle-free
A new Nerf gun-like device may make injections safer, faster and easier.
- Physics
Scientists Say: X-ray
X-rays are a type of light that doctors use to image the inside of the body. Astronomers use X-rays to explore the cosmos.
- Tech
Could Star Trek replicators exist?
Experts break down what’s possible and what’s not for this classic science-fiction invention.
- Tech
Nanobots can now enter brain cells to spy on what they’re doing
Fleets of advanced versions may one day be able to detect disease and then go about surgically treating it — without ever opening the skull.
- Tech
This electronic bandage sterilizes wounds with flashes of light
Dentists have sterilized medical equipment with ultraviolet-C light for years. Applying this tech to bandages had proven a challenge — until now.
- Health & Medicine
Explainer: High blood pressure stresses the heart and blood vessels
Because it can be dangerous, doctors should regularly screen for it even in young kids and teens — but often don’t.
- Health & Medicine
High blood pressure can affect kids but often goes undiagnosed
Left untreated, it can lead to lasting problems, even in kids who appear otherwise healthy. Learn the signs and what to do.
- Psychology
Scientists Say: Neurodivergent
This often-misunderstood word describes someone whose brain works a little differently from most.
