When babies are born, their eyes and hair are one color, but change within the first few years of their life! Why do hair and eye colors change? Trace explains the process of inheriting certain traits from your parents, and discusses why the colors change! [DNews]
What happens when you dunk a cheeseburger in concentrated hydrochloric acid? [Periodic Videos | Via]
Why dogs sniff each other’s butts. It’s a somewhat silly question with a surprisingly complex answer. This behavior is just one of many interesting forms of chemical communication in the animal kingdom. [Reactions]
The video on how to get better sleep is below! Feeling tired? As our lives get busier and busier we tend to sleep less and less. So what does science say about how much you SHOULD be sleeping? [ASAPScience]
From TED Ed: Alzheimer’s disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer’s affects the brain, shedding light on the different stages of this complicated, destructive disease. […]
Get an engineeer’s-eye-view of the tallest buildings in the world, to learn what challenges they face as they reach for the sky and wonder, how tall can we build? [SciShow]
Why do chickens and turkeys have white meat and dark meat? And, like, gross, but .. do humans have the same thing? It’s all about our muscles: what they’re made of, and what they’re made for. Quick Questions has the answers! [SciShow]
If you wan tto see how a drip coffee maker works, check out the video below! Bill describes how the household drip coffee maker evolved and how baseball popularized the machines This was originally broadcast on August 29, 2000. [engineerguy]