Kill one unwanted species and another arises
Oct 31st 2020IN THE HIERARCHY of conservationists’ concerns, animals often seem to trump plants. For example, feral rats that…
Stopping some fishing would increase overall catches
Oct 31st 2020IN 2018, THE most recent year for which relevant data are available, people consumed more fish than they did either…
There is now cast-iron evidence for water on the Moon
Oct 26th 2020IF HUMAN BEINGS ever wish to build bases on the Moon, those bases will need water. Residents will require it not…
Fences are bad for wildlife
Oct 24th 2020EARTH’S LONGEST artificial structure is usually said to be the Great Wall of China. Just how long that is is hard…
A driverless lorry takes on the “Top Gear” track
Oct 20th 2020DUNSFOLD AERODROMETHANKS TO “Top Gear”, a British television show for motoring enthusiasts that is now a global…
An American spacecraft, OSIRIS-REx, grabs a bit of an asteroid
A sample should now be on its way to EarthOct 21st 2020ON OCTOBER 20TH an American spacecraft called OSIRIS-REx played tip and…
Should covid be left to spread among the young and healthy?
Oct 21st 2020Editor’s note: Some of our covid-19 coverage is free for readers of The Economist Today, our daily newsletter….
A driverless truck is ready to start earning a living
It has already performed on a world-famous vehicle-testing trackOct 20th 2020THANKS TO its hosting of “Top Gear”, a British…
How to send underwater messages without batteries
Oct 17th 2020RADIO WAVES do not travel well underwater. That is why ships employ sonar rather than radar to plumb the briny depths….