-

Photo: nemke / Getty Images ‘Relationship Hitmen’: Your Mom Has a Talent for Subtly Killing Friendships She Doesn’t Like, Scientists Say
If you have friends your mom doesn’t like, no you don’t.
-

Photo: Tim Bird / Getty Images Scientists Just Discovered Half-a-Billion-Year-Old Evidence of Animals Having Sex
Earthlings started getting it on even earlier than we thought!
-

Scientists Found a 121-Million-Year-Old Bird That Was Basically Peacocking Before Peacocking Existed
The newly identified bird species had dramatic display feathers long before humans invented bad bar outfits.
-

Everything We Know About the 2,300-Year-Old Beer Found Inside an Ancient Tomb
When archaeologists raid ancient tombs, they usually uncover the trinkets and tchotchkes people hoped to carry with them into the afterlife.
-

Ancient Doctors Used Poison as Anesthesia, and Scientists Found the Proof on 600-Year-Old Surgical Tools
Researchers say Ming Dynasty surgeons knew the toxic compound was dangerous, but used it carefully to numb patients.
-

Photo: aire images / Getty Images Scientists Figured Out How to Make Body Armor Out of Silkworm Silk
The super-strong silk can withstand ballistic impacts.
-

Photo: piranka / Getty Images Scientists Finally Figured Out Why 90% of Humans Are Right-Handed
As for why left-handedness exists at all, well, that’s still a mystery.
-

Everything We Know About Asteroid JH2, the Washington Monument-Sized Space Rock That Just Flew Between Earth and the Moon
Scientists say the asteroid was never going to hit us, which is nice, since they only spotted it days before it passed.
-

Aire Images/Getty Images Scientists Found a Way to Make Mammals Heal More Like Salamanders, Which Is Extremely Weird (And Promising)
A new study shows how mammal cells could be nudged into acting more like salamander cells while recovering from injury.
-

Kevin Frayer/Stringer/Getty Images -

A City-Killer Asteroid Just Passed Shockingly Close to Earth, and Scientists Barely Saw It Coming
The object was small, fast, and hard to spot, which is exactly why near-Earth asteroids remain so unnerving.
