A powerful laser can control the paths that lightning takes
In a mountaintop experiment, a laser beamed at the sky created a virtual lightning rod that snagged several bolts.
There’s a real upside to knowing you could be wrong
We’re often certain that what we believe is true. But questioning those beliefs, as Galileo did, can help us learn better — and even perform better on tests.By Jane Palmer
When it’s hot, echidnas blow snot bubbles to cool off
These spiky Australian mammals have a trick to moisten their noses, allowing them to survive hot temperatures that should kill them.By Elise Cutts
Health & Medicine
Let’s learn about allergies
Allergies are caused by the body’s immune system overreacting to harmless substances.
Scientists Say: Anxiety
Some nervousness, or anxiety, is normal. Too much can be harmful.
Planets like Star Wars’ Tatooine could be fit for life
Like Luke Skywalker’s home, planets orbiting two stars may be plentiful. A new computer model suggests that many of those worlds could sustain life.
The next astronauts to walk the moon will be more diverse than the last
Space agencies are preparing to send the next generation of astronauts to the moon and beyond. Here’s how future crews will differ from the last.
Health & Medicine
New brain scans may show if a concussion has not yet healed
Concussions change certain brain waves, and delta waves may be the best signs of when teens can return to competitive sports.
Think of this new tech as sunglasses for our windows
Keeping buildings cool can use a lot of energy. Thanks to quantum computing, engineers designed a coating to cut the warming light that enters windows.
Scientists Say: Equinox and Solstice
Equinoxes and solstices mark the maximums, minimums and mediums of hours spent in daylight.
Minding your mummies: The science of mummification
In this science project, you will learn about the rituals and science of mummification by mummifying a hot dog.
Spacecraft traveling through a wormhole could send messages home
A probe going through a wormhole should be able to send messages home before such a tunnel forever closes, a new computer model finds.