life's little mysteries
Latest about life's little mysteries
Did humans cross the Bering Strait after the land bridge disappeared?
By Amanda Heidt published
Evidence suggests that people likely boated across the narrow passage between Russia and Alaska when the crossing was submerged.
Which animal is the best hunter? (And which is the worst?)
By Amanda Heidt published
There are lots of ways to measure predatory prowess, and the animal kingdom is full of worthy contenders.
When did Australia become a continent?
By Charles Q. Choi published
After the supercontinent Panagea broke up around 200 million years ago, how long did it take for Australia to emerge as its own continent?
Are Neanderthals and Homo sapiens the same species?
By Amanda Heidt published
Scientists have been vollying the question back and forth for more than a century.
How many times has the sun traveled around the Milky Way?
By Harry Baker published
Our solar system has been orbiting the Milky Way's black hole heart for 4.6 billion years. But it is hard to pin down exactly how many trips around the galaxy our sun has made during that time.
Why are tarantulas so hairy?
By Elise Poore published
Tarantulas use their "hair" for all kinds of things, including smelling and tasting.
What would happen if you drilled all the way through Earth?
By Hannah Loss published
Intense pressure and sweltering temperature would accompany a trip down through Earth's layers and out through the other side. However, this trip would be possible only in science fiction.
When did Homo sapiens first appear?
By Kristina Killgrove published
What's the oldest fossil evidence humans have for our species?
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