Uncategorized
-
BrainA rat’s playfulness relies on cells in one part of its brain
Certain cells here control its behavior. Studying this circuitry could also help us understand depression in people.
By Simon Makin -
ChemistryScientists Say: Rare earth element
Rare earth elements aren’t all that rare — but skyrocketing demand for these metals makes them precious.
-
AnimalsA new technique creates glowing whole-body maps of mice
Removing cholesterol from mouse bodies lets fluorescent proteins seep into every tissue. That has helped researchers map entire body parts.
-
AgricultureCrops are being engineered to thrive in our changing climate
Plants are already the best carbon catchers on Earth. New research could make them even better.
-
AnimalsToothed whales use their noses to whistle and click
Much as people do, toothed whales, such as dolphins and sperm whales, make noises in three different vocal registers.
By Maria Temming and JoAnna Wendel -
EarthTake candy core samples with this science activity
Act like a geologist as you drill ‘core samples’ from candy bars using a straw. Can you identify the type of candy bar just from a sample?
-
AgricultureCow dung spews a climate-warming gas. Adding algae could limit that
But how useful this is depends on whether cows eat the red algae, a type of seaweed — or it gets added to their wastes after they’re pooped out.
-
We’re running an audio experiment
Science News Explores is running an experiment. We’re providing audio recordings of stories, made with Amazon Polly, along with the written story. Read, listen or both!
-
TechScientists Say: Robot
These task-doers handle jobs as simple as vacuuming the floor and as complex as navigating extraterrestrial terrains.
-
TechA puff of air could deliver vaccines needle-free
A new Nerf gun-like device may make injections safer, faster and easier.
-
TechAI can now turn blurry thermal vision into crisp images
Even when it’s pitch black, the new imaging system can create clear images while also accurately gauging distances to objects.
-
FossilsNew fossils bring the wide world of pterosaurs to life
The latest clues from fossils hint at where these flying reptiles came from, how they evolved, what they ate and more.
By Sid Perkins