Ruth Mace on human evolution and surviving the apocalypse with yaks
19 June 2019
Anthropologist Ruth Mace talks about what motivates us, and how the Tibetan plateau is the best place to be if the apocalypse comes
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Premium
This week’s new questions
19 June 2019
One reader wants to know how far through the galaxy they have travelled in their 66 years of life. And to win the lottery, which gives better odds: buying one ticket a week or 52 tickets once a year?
What is dust, and is it harmful to human health?
19 June 2019
A variety of responses from readers suggest that whether it is harmful depends on the type of dust
Why don’t birds eyeballs freeze in the extreme cold?
19 June 2019
When birds are flying at altitude in the extreme cold, why don’t their eyeballs freeze? Readers respond
Feedback: Can the US resist the might of the metric system?
19 June 2019
Fighting back against metric units, plus India’s flooded nuclear sub, Goop for men and baking with aftershave in our weekly round-up from the world of weird
Puzzle #08 Prisoners locked up
19 June 2019
A tricky teaser this week, about prison cells and drunken prison officers. Also, try the quick quiz
Cryptic Crossword #09
19 June 2019
Try our science-themed cryptic crossword, set by Sparticle. Plus, answers to quick crossword #33
How to use a BBC micro:bit to make a sound-activated mirror ball
19 June 2019
A BBC micro:bit program and a sound sensor will get the party started. Here's how to make a disco ball that automatically spins when music plays
This South American potoo bird can camouflage itself as a branch
19 June 2019
This photo shows nature's best camouflage trick as the common potoo bird, snapped in Colombia's Utría National Park, stays still so long it becomes invisible
Liana Finck cartoon
19 June 2019
This week's cartoon - 22 June 2019
