Ask The Naked Scientists

Yoghurt or probiotics? Why is milk white? Why does my heart rate increase in cold water?

Plus, chainsaw hypotheses, Star Trek and mathematical puzzles...

A children's special edition; can Dr Chris Smith crack their imaginative science dilemmas?

Researchers dose mice with a bottomless boozy bath to find out if alcohol warms the body, sounds rather nice

Will a donor arm leave a different DNA fingerprint at a crime scene...?

What are stars made of? How do ants breathe? How does a person catch chickenpox?

Aeroplanes also have round windows, but why. Plus, farts, brain capacity and lightning travelling through your plumbing...

Plus do dogs get depressed, and why do my ears pop during take off aboard an aeroplane?

And what's the difference between a sickness, a disease, an illness, an affliction, a malaise and a disorder?

And why are humans still born with bits we don't need - will evolution do away with them?

Plus, firelighters and food, crocodiles and Helicobacter pylori...

What's best for my car and the planet?

Are their children genetically brother and sister?

And what's spacetime and how does entanglement work?

Would the lunar surface make a good observatory? And how do tides work?

Also, Covid vaccine 2.0, and where has the flu gone...

Plus, where old Covids go, how chickens make eggs, and how to power space probes...

How anosmia becomes parosmia...

Snoring, memories, boiling kettles and viral evolution all feature this week...

Does offloading thought processes onto apps diminish thinking power, and why are some people sluggish in the mornings...

The enigma of spinal cord regeneration, and what's the Universe expanding into?

What's the duration of the protection after a jab, or natural infection, plus a host of head-scratchers from...

How similar is the brain of my best friend? And how much of my IQ do I own to my genes?

Batteries, clouds, cheese and dreams, Captain Kirk in space, and are farts infectious...