Magical image of ‘tree island’ shortlisted for major photo prize
24 June 2021
This aerial image showing part of Sofiyivsky Park in Ukraine is among the shortlisted entries for the Earth Photo 2021 competition
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Cryptic crossword #60: After surgery, learn about the kidneys (5)
24 June 2021
Challenge your brain by solving New Scientist's weekly crosswords on your mobile, tablet or desktop
Does quantum physics explain why parcel delivery times are so vague?
23 June 2021
The quantum physics of parcels, plus catering to the time traveller market and more inappropriate measurement comparisons, in Feedback’s weird weekly round-up
How your seaweed-filled beach pics could help monitor climate change
23 June 2021
Seaweed can reveal a lot about marine ecosystems. Take part in the Big Seaweed Search to help researchers discover how climate change is impacting UK sea life
This week’s new questions
23 June 2021
What is the smallest number with no interesting properties? And why are bird droppings mostly white, considering all the things they eat?
Where did the bacteria that turn milk into yogurt come from?
23 June 2021
Did the bacteria in milk products evolve after humans started to store milk and, if not, what did their forebears do?
Why is a cup of tea so satisfying and comforting?
23 June 2021
Our love of tea could be due to the chemicals it contains or the rituals around making and serving it
Why do herring have lots of small bones, and mackerel the opposite?
23 June 2021
Evolution has had 500 million years to tinker with the anatomy of fish, but is it to make them better swimmers or to help them avoid predation? And are fish bones even bones? Readers respond
Puzzle #119: How many nuts did two families have before a food fight?
23 June 2021
Can you solve this week’s fiendish puzzle, Nutty neighbours? Plus the answer to puzzle #118
Tom Gauld's Institute for Lifespan Extension Research
23 June 2021
Tom Gauld's weekly cartoon
