Geologist Ted Nield tells us why we should stop worrying and learn to love the meteorite. Ted's new book Incoming is out now.
In our show and tell section, we dive into the secret world of leatherback turtles, discuss a chemist's worry that backstreet drug-makers are using his cutting-edge research to dangerous ends, and why women's tears dampen sexual desire in men.
If you want to check out how tearful you are, here is a link to that film (The Champ, 1979) we mention at the end of the programme.
We put our walking boots on and dodge the traffic as we take a tour of some of the most famous roads in medicine, a historical walk around London's Harley Street organised by the Royal College of Physicians.
WARNING: contains strong language.
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