To mark David Attenborough turning 100, New Scientist staff have been set a tricky task: pick your favourite of his many amazing documentaries...

A small trial found that chewing gum containing nitrate can ease the symptoms of gum disease by favouring the growth of beneficial mouth bacteria

A small trial found that chewing gum containing nitrate can ease the symptoms of gum disease by favouring the growth of beneficial mouth bacteria

A device you attach to your underwear reveals how often you really break wind – and it’s probably more frequently than you think

A device you attach to your underwear reveals how often you really break wind – and it’s probably more frequently than you think

Gone on Monday and Friday

Saturday and Sunday, I am big.
Tuesday through Thursday, I am small.
Monday and Friday, I am non-existent.
What am I?


Check Braingle.com for the answer.

The second half of this year will almost certainly see the start of an El Niño phase that could lead to extreme heat across much of the globe, and James Hansen expects that to make this year surpass 2024 as the hottest on record

The second half of this year will almost certainly see the start of an El Niño phase that could lead to extreme heat across much of the globe, and James Hansen expects that to make this year surpass 2024 as the hottest on record

If you're searching for a Google Drive alternative, you're likely looking for better data protection, more free storage space or improved file sharing features.

National Health Service rules state that all software created with public money should be publicly available, but fears of computer-hacking AI models like Mythos have prompted a change in policy

National Health Service rules state that all software created with public money should be publicly available, but fears of computer-hacking AI models like Mythos have prompted a change in policy

Should you really be drinking eight glasses of water a day? What about reaching for a sports drink after exercise? Physiologist Tamara Hew-Butler is here to bust these hydration myths and more.

Should you really be drinking eight glasses of water a day? What about reaching for a sports drink after exercise? Physiologist Tamara Hew-Butler is here to bust these hydration myths and more.

An infestation of caterpillars can make an oak tree postpone when it opens its leaves next year by three days, wrong-footing the insects when they attack again

An infestation of caterpillars can make an oak tree postpone when it opens its leaves next year by three days, wrong-footing the insects when they attack again

With progress at COP climate meetings stalling, 57 countries took part in the first of a new series of conferences aiming to develop roadmaps away from fossil fuels, but big emitters like China and the US were absent

With progress at COP climate meetings stalling, 57 countries took part in the first of a new series of conferences aiming to develop roadmaps away from fossil fuels, but big emitters like China and the US were absent

Silvia Park, author of the May read for the New Scientist Book Club, reveals how a book that was originally intended to be for children took a darker route following a death in the family

Silvia Park, author of the May read for the New Scientist Book Club, reveals how a book that was originally intended to be for children took a darker route following a death in the family

In this extract from Luminous, the May read for the New Scientist Book Club, we meet a mysterious robot discovered in a salvage yard in Seoul, in a future reunified Korea