Life's Little Mysteries: Science questions, answered
Latest about Life's Little Mysteries

What do black boxes on planes actually record?
By Kristel Tjandra published
Modern flight recorders can hold more than 1,000 pieces of information about an aircraft.

Why do snakes shed their skin?
By Emma Bryce published
It's a story that involves scales, sloughs — and spectacles.

What was the first alphabet in the world?
By Tom Metcalfe published
New discoveries challenge old ideas about the earliest alphabets.

Why do kangaroos have 3 vaginas?
By Ashley Hamer published
Female kangaroos have one tail, two feet and three vaginas when they're giving birth.

How much of your brain do you need to survive?
By Marilyn Perkins published
Case reports of people with atypical brains reveal the human brain's staggering ability to adapt to damage.

Why does nearly all life breathe oxygen?
By Harrison Tasoff published
Nitrogen comprises around 78% of Earth's atmosphere, so why do most lifeforms breathe oxygen?

Why do cats lick plastic bags?
By Kohava Mendelsohn published
Your pet's love of licking may come from their desire to nurse as a kitten.

Why don't we remember being babies?
By Benjamin Shouse, Emily Cooke last updated
The inability to remember your first few years of life is called infantile amnesia. But why does it happen?
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