BBC Science Focus - 2020-10-29

• FROM THE EDITOR
• Why do we have favourite colours?
• Surf ’s up!
• Meet Magawa, the landminede­tecting rat who has been awarded a medal for bravery
• A material based on bug shells could be perfect for building tools and shelters on Mars
• Ancient Persians were the first to make chromium steel
• Genome of Alexander Fleming’s origin penicillin mould sequenced
• New £1 hearing aid could help millions to hear more clearly
• Pre-pandemic study shows more than half of us want more physical contact
• SHOULD WE STILL BUY PHEVs?
• ON THE CONTRARY…
• I’VE BEEN BLOCKED UP FOR DAYS AND I’M CONSIDERIN­G TAKING A LAXATIVE. HOW DO THEY ACTUALLY WORK?
• DEAR DOCTOR...
• CROWDSCIEN­CE

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