Earth
Did you know? Fewer than 100 people have a photographic memory
True photographic memory is yet to be proved but some people have a very rare condition which allows them to recall past events in detail
Regulars
Tom Gauld’s institute of nursery rhyme studies
Regulars
Twisteddoodles: Is your dog a cross between a pug and a Pekingese?
Regulars
Life
Cicadas set to emerge in once in every 17-year event
Regulars
Why is it easier to copy a picture of an object than the real object?
Regulars
What鈥檚 the minimum population needed to sustain a comfortable life?
Regulars
How do animals recognise their young and do they know they reproduce?
Regulars
This week鈥檚 new questions
Regulars
Life
Animal sounds hold clues to biodiversity 鈥� help scientists unlock them
Regulars
The peculiar case of asking Alexa for the mass of a neutrino
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more
Regulars
Space
How to find the constellations of Leo and Virgo in the night sky
Regulars
Scientists finally find life on Mars (or actually they haven鈥檛)
Regulars
Life
Stark images of Amazon show incredible peaks and Indigenous peoples
Regulars
Why hasn鈥檛 time been decimalised?
Regulars