Humans
- 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
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.
- 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.
- Humans
This archeologist reconstructs the past with animal bones
Tagging along with her mom paved the way for her career as an archeologist, Pamela Akuku says. She now studies how ancient humans modified animal bones.
- Psychology
Scientists Say: Neurodivergent
This often-misunderstood word describes someone whose brain works a little differently from most.
- Health & Medicine
Stem cells can help build lab-grown organs that mimic real life
Making such organoids with 3-D printing and other tech can help researchers learn more about many troubling and potentially deadly disorders.
- Tech
A ‘mini cyclone’ helps detect coronavirus in the air
A new device can detect from seven to 35 coronavirus particles per liter of air in minutes. That’s close to a PCR test’s sensitivity — but much quicker.
- Oceans
How would a mermaid sound underwater?
Human ears don’t work well in the water. A mermaid would need marine creature features to talk to and understand her aquatic friends.
- Health & Medicine
Swollen chambers in astronauts’ brains may take 3 years to recover
How long astronauts spend in space and the time since their last mission affects how much fluid-filled chambers in their brains expand while in space.
