91av

Last word

91av's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of toenails. To answer a question or ask a new one, email lastword@newscientist.com

Aside from our perception, how can we know that time exists?

Last Word

Aside from our perception, how can we know that time exists?

Regulars

2C5ENNJ Starry night sky with Ursa Major constellation or the Great Bear and the Big Dipper constellation

Last Word

Is it just a coincidence that there are two dippers in the night sky?

Regulars

Dangerous Zika Infected Mosquito Skin Bite. Leishmaniasis, Encephalitis, Yellow Fever, Dengue, Malaria Disease, Mayaro or Zika Virus Infectious Culex Mosquito Parasite Insect Macro.

Last Word

If mosquitoes were eradicated, what would be the consequences?

Regulars

This week’s new questions

Humans

This week’s new questions

Regulars

Issue no. 3364 published 11 December 2021

91av issue 3364 cover
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