SCIENCE

Is solar geoengineering research having its moment?

Particles in ship exhaust inadvertently cause cloud brightening – some geoengineering projects would try to recreate this effect NASA’s Earth

SCIENCE

‘Artificial tongue’ can detect chemical makeup of alcoholic drinks

Molecular testing can be used to assess drink quality Evgenii Parilov/Alamy Drinks manufacturers and consumers may soon have a small,

SCIENCE

Are vast amounts of hydrogen fuel hidden below Earth’s surface?

Drill rig in Nebraska run by Natural Hydrogen Energy LLC, which established its first hydrogen borehole in 2019 Viacheslav Zgonnik

SCIENCE

To fix the world’s problems, we need both optimism and pessimism

This year will be remembered for many pioneering events, from the first private landing on the moon (see “Space was

SCIENCE

AI found a new way to create quantum entanglement

AI found a new way to entangle particles of light luchschenF/Shutterstock Quantum entanglement just got easier, thanks to artificial intelligence.

SCIENCE

Plants laced with a variety of fungi are more popular with bees

A bee pollinating a squash flower Roman Kýbus/Alamy Plants treated with diverse species of fungi that live on roots grew

SCIENCE

When, and where, did the covid-19 pandemic really begin?

People carrying out disinfection work at a market in Wuhan, where covid-19 is thought to have originated, in March 2020

SCIENCE

Most comprehensive picture yet of how organs age at different rates

Someone’s kidneys could be a decade older, biologically, than their brain Christian Kitzmuller/Alamy Our organs appear to age at different

SCIENCE

How safe is the US food supply?

Produce has been the source of many foodborne illness outbreaks in the US this year The Image Party/Shutterstock Apple sauce

SCIENCE

Hunter-gatherers built a massive fish trap in Belize 4000 years ago

Satellite image showing channels that formed part of an ancient fishery, and Mayan sites nearby Google Earth Archaeologists have discovered