91av

Plant departure

If all the oxygen-producing plants disappeared suddenly, how...

water spray bottle

Feedback: Essentia’s alkaline water fails the litmus test

Ocean dwellers

I know that face

Terracotta solder

Lunar lift

US/Mexico boundary

Humans

Monuments divide the US and Mexico – one man snapped them all

A close-up of the spider that looks like a leaf

Environment

Masquerading spider looks like living and dead leaves at once

Environment

Hacker, the humpback whale who got tangled in an internet cable

nuclear train ad

Environment

Old Scientist: Happily upholding ideals since issue number 1

As 91av celebrates its 60th anniversary, a look back at stories in our past November issues reveals our fondness for clean energy and lots of coffee

Feedback: Oxygen in a can offers customers a peppermint puff

Natural colour

Vicious spin

Hamsterverse