Life's Little Mysteries: Science questions, answered
The world can be a pretty mysterious place and we at Live Science love to ask and answer scientific questions about mysteries big and small: about ancient civilizations, our planet and our solar system, the plants and animals that live alongside us, our bodies and how they work, and the technologies that we use every day.
Join us on this exciting voyage of discovery and downright weirdness as we solve … Life's Little Mysteries.
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Latest about Life's Little Mysteries

How many moons are in the solar system?
By Harry Baker last updated
The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?

Why do animals have different pupil shapes?
By Ashley Hamer published
Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats. But why are animal pupils shaped so differently?

Why are humans the only species with a chin?
By Amanda Heidt published
Potential explanations abound, yet recent research has shed new light on the question.

Will the Indus Valley script ever be deciphered?
By Owen Jarus published
The Indus Valley script dates back around 4,000 years but has yet to be deciphered. Can AI help decode it?

Can you see Earth's shadow?
By Abha Jain published
Earth's shadow follows the planet as it orbits the sun. You can get a sense of its enormous, awe-inspiring size by seeing this silhouette cast on objects ranging from satellites to the moon.

Why aren't mammals as colorful as reptiles, birds or fish?
By Katherine Irving published
Many mammals have fur the color of brown and black. Why don't they have more exotic colors, like purple and neon pink?

Why is mercury a liquid?
By Victoria Atkinson published
Mercury is a metal, yet it has some weird physical properties, including being a liquid at room temperature.

When was the last time Antarctica was ice-free?
By Victoria Atkinson published
Antarctica is covered by a miles-thick ice sheet, but was that always the case? And when was the coldest continent ice-free?
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