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Richard Gray

Richard Gray

BBC

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Your toothbrush is bristling with bacteria

Bacteria from our toilets, the cold sore virus and thrush-causing yeast can thrive on our toothbrushes. But there are ways to keep your toothbrush a...

20.10.2025 80

BBC

Richard Gray

Why your fingers wrinkle in the bath

The skin on our fingertips and toes shrivels like prunes when soaked for a few minutes in water. But is this an adaptation that occurred to help us in...

20.06.2025 1000

BBC

Richard Gray

What did dinosaurs sound like?

We tend to associate dinosaurs with ground-shaking roars, but the latest research shows that this is probably mistaken. You'd feel it more than hear...

24.05.2025 1500

BBC

Richard Gray

How fire changed Notre-Dame’s unique voice

Performers and visitors to the famous gothic cathedral in the midst of the River Seine may find some subtle differences to the way sound bounces...

07.03.2025 50

BBC

Richard Gray