Weekly Roundup (1/18/20-1/24/20)
Added 2020-01-24 23:21:10 +0000 UTCSciShow
Many animals show their teeth as a threat, so how did humans end up with our friendly smiles?
Meet the Most Important Animal You’ve Never Seen
For every human on Earth, there are 57 billion nematodes. So these little things are worth paying attention to.
Secrets of Life from A Giant Pool of Asphalt | Weird Places: Pitch Lake, Trinidad
Trinidad's Pitch Lake is filled with millions of tons of asphalt, and the life there could give us insight into how life could exist on other worlds.
Why Do These Trees Refuse to Touch?
There are a few forests where the crowns of threes refuse to touch, creating bizarre, beautiful patterns.
Why Do People Have Periods When Most Mammals Don't?
Most mammals don't menstruate, so why do humans? Scientists have had some bizarre ideas over the centuries, but we seem to finally be getting somewhere.
At the end of the 20th century, doctors were mystified by a girl who essentially remained a toddler until her death at age 20.
These Adorable Wolves Play Fetch – And Defy Dogma | SciShow News
We thought we taught dogs to play fetch, but some very cute wolf pups tell a different story.
SciShow Space
How Levitating Dust Shapes Airless Worlds
The same physics that keeps dust floating above the Moon's surface is likely reshaping airless worlds all over the solar system.
There's Apparently an Asteroid Between Mercury and Venus | Space News
Most asteroids are in the asteroid belt between Mars and Jupiter, but astronomers have found the first one orbiting closer to the Sun than Venus!
SciShow Psych
What If Your Body Didn't Paralyze You During Sleep?
What if you acted out your dreams in your sleep? This is what people with RBD experience, and it can be pretty alarming.
For most of us, insomnia isn't deadly. But there's a rare condition called familial fatal insomnia that's as serious as the name suggests.
