All Stories
- Chemistry
Steady heartbeats may depend on white blood cells
Biologists have just found a new role for germ-fighting white blood cells. In the heart they appear to serve as pacemakers so that the heart beats regularly.
- Climate
Cool Jobs: Head in the clouds
What do a microbiologist, an atmospheric scientist and a materials engineer have in common? They’ve all got their heads in the clouds.
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Confidence in math predicts girls’ participation in STEM
Even with similar grades, high school girls rank themselves less able to handle tough math material. That may steer them away from math and science careers.
- Health & Medicine
Analyze This: Real data on lead levels in school drinking water
The metallic element lead can be toxic if ingested. To keep students safe, many schools now test their water. Some have found dangerously high levels.
- Health & Medicine
Searching for better, cooler friends might backfire
When people try to find the best possible people to hang out with, they become less happy in life, a new study finds.
- Health & Medicine
Star Trek gets closer to becoming home tech
Inspired by Star Trek, inventors have created handheld devices to diagnose common medical ailments.
- Chemistry
Beyond diamonds: Search is on for rare carbon crystals
A search for previously undiscovered carbon minerals was announced in December 2015. Researchers have begun finding a handful and are actively scouting for dozens more.
- Animals
Scientists are rethinking the dinosaur family tree
The dinosaur family tree consists of three main branches. Or maybe not. A new study suggests a rewrite is due.
- Chemistry
Scientists Say: Isotope
An isotope is a variety of an element that has the same number of protons but a different number of neutrons — or neutrally charged particles.
- Brain
Two brain areas team up to make mental maps
To find your way around, you need to remember where you are and plan ahead. A new study shows there’s a brain area for each task.
- Physics
Getting ready for the solar eclipse
A total solar eclipse will race across the continental United States in August 2017. Scientists and the public are preparing to watch and learn.
- Tech
How to safely watch a solar eclipse
Certified safety glasses are a must for protecting your eyes when looking at the sun. Here’s how to safely enjoy a solar eclipse, like the one on August 21, 2017.
