Quick crossword #70: Toxin produced in castor oil seeds (5)
5 November 2020
Challenge your brain by solving New Scientist's weekly crosswords on your mobile, tablet or desktop
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Premium
Tom Gauld on sounds that would make you leave a laboratory
4 November 2020
Tom Gauld's weekly cartoon
Twisteddoodles predicts the likelihood of extremely unlikely events
4 November 2020
This week's cartoon from Twisteddoodles
Puzzle #84: Squarebot
4 November 2020
What can we ask naughty Squarebot to discover if the figure he has drawn that seems like a rectangle is really a square?
Spectacular red palm weevil scoops top award in bug photography prize
4 November 2020
This red palm weevil looks like it is ready for a boxing match. The close-up shot won Mofeed Abu Shalwa Luminar Bug Photographer of the Year 2020
61 weird and wonderful ways to measure a building with a smartphone
4 November 2020
Unusual uses for a smartphone, plus a new organ and stopping palaeontologists from saying “bone”, in Feedback’s weird weekly round-up
This week’s new questions
4 November 2020
To what extent can satellites have satellites? And why don’t high-flying birds freeze in the frigid temperatures?
Why hasn’t evolution given us eyes in the back of our head (continued)?
4 November 2020
It would be helpful to see behind us, so why don’t we have rearward vision?
Can you get triple or quadruple rainbows?
4 November 2020
I have seen many double rainbows, but do triple or quadruple ones exist? If so, where is the best place to see them, and what is the maximum number that could exist?
Why do I always sneeze twice?
4 November 2020
I never sneeze only once and rarely get three in. Is there a reason for this pattern?
