How does the brain think?
Thinking builds neural networks, which is why practice improves performance. Francesco Carta fotografo/Moment via Getty Images Jennifer Robinson, Auburn University Curious Kids is a series for...
Why isn’t there any sound in space? An astronomer explains why in space no one can hear you scream
Matter in deep space is very spread out, which makes it impossible for any sound waves to travel. NASA, ESA, CSA, STScI Chris Impey, University of...
How do trees die?
Eventually weather, pests and disease will take their toll, but the story doesn’t end there. Emanuel David / 500px via Getty Images Camille Stevens-Rumann, Colorado State...
Does this cause cancer? How scientists determine whether a chemical is carcinogenic – sometimes with controversial result
Carcinogenic chemicals are labeled with a health hazard warning symbol. Peter Etchells/iStock via Getty Images Plus Brad Reisfeld, Colorado State University Does this cause cancer? How...
How does a television set work?
The TV in your home is very different from the television sets of just a few years ago. moodboard/Image Source via Getty Images Jay Weitzen, UMass...
How a Female Erection Works
How a Female Erection Works – In this video, Jonathan from the Institute of Human Anatomy discusses how a female erection works by going over the...
How do ants crawl on walls? A biologist explains their sticky, spiky, gravity-defying grip
Walking vertically – or even upside down – is a piece of cake for ants. pecchio/iStock via Getty Images Plus Deby Cassill, University of South Florida...
Bringing a New Pet Home
5 Tips for Bringing a New Pet Home Bringing a pet home for the first time – even if you already have other pets – can...