A question about bathroom tiles has us wondering whether everything is pre-determined Read more
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Is anything truly random?
A question about bathroom tiles has us wondering whether everything is pre-determined
Why isn't the sky green?
Why do we see so many colours in the sky, but never green?
Whatever happened to tangerines?
Can we track down a tangerine variety lodged in one listener's memory?
Is water wet?
The wetness of water seems obvious - but dive into the science and it's not so clear cut
Are humans naturally monogamous?
Why is one partner usually the norm for humans around the world?
Are there global food allergy hotspots?
Do food allergies vary around the world – and if so, why?
Where in the world will I weigh least?
We tackle gravity - a fundamental force of the universe, yet also an everyday mystery
How do you measure a mountain?
As sea levels rise, will mountains shrink? How do we measure height above sea level?
Why do animals swallow rocks?
Answering your questions about life, Earth and the universe
Why am I always late?
Why do some people find it easier to be punctual than others?
Can we feed everyone?
We ask leading agricultural experts about global food security
Why can't I fall asleep?
Why is getting to sleep much harder for some people than others?
