life's little mysteries
Latest about life's little mysteries
Which group of animals has the most species?
By Emma Bryce published
The leading group is so diverse that it represents one in every three animal species on Earth.
Can foxgloves really give you a heart attack?
By Victoria Atkinson published
Foxgloves contain digoxin, a drug used to treat cardiac arrhythmia and heart failure that can also be toxic. But can ingesting it cause a heart attack?
How often do orcas attack humans?
By Patrick Pester published
Killer whales are surprisingly gentle in the wild when interacting with humans — though it's sometimes a different story with orcas in captivity.
Is hydrogen a metal?
By Hannah Loss published
Hydrogen is not a metal on Earth, but scientists keep trying to create metallic hydrogen under high pressure to unlock a new superconductor.
Is anything harder than a diamond?
By Laurel Hamers published
Diamonds are naturally hard, but is there anything from Earth, space or even a lab that's harder?
How many tectonic plates does Earth have?
By Emma Bryce published
The number varies from a dozen to almost 100 — and most of these don't even appear on official maps.
Why do dogs eat poop?
By Hannah Loss published
Life's Little Mysteries Poop eating is a natural behavior in dogs; although it may disgust humans, it usually poses no threat to your canine's health.
How many animals have ever existed on Earth?
By Joanna Thompson published
Life's Little Mysteries To figure out this mind-bogglingly high number, we need to know how many species have ever lived, dig deep into the fossil record and do a lot of math.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.