Search | New Scientist

Quick crossword #69: Spotted cat of South America (6)

22 October 2020

Challenge your brain by solving New Scientist's weekly crosswords on your mobile, tablet or desktop

CERN muon detector gets major upgrade for better particle hunting

21 October 2020

Weighing in at 14,000 tonnes, the CMS experiment at the Large Hadron Collider can now detect more of the subatomic particles created when protons are collided

Why the end of the world will come preprogrammed in a spreadsheet

21 October 2020

Excel confusion, plus coronavirus omnishambles competition and quantum eagles in Feedback's weekly round-up from the world of weird

This week’s new questions

21 October 2020

Do we continually perceive the colours around us differently to others? And has the doubling of the human population in the past 50 years increased the mass of our planet and everything on it?

Are tandems really more efficient than regular bikes (continued)?

21 October 2020

A triplet bike has less resistance per person, so is more efficient than a tandem, which is more efficient than a regular bike. Does this trend hold however long the bike?

Do the different causes of headaches create pain in different places?

21 October 2020

Some people get headaches that are always in the same place in their skull, whereas others experience pain in locations that vary. Why? And is there a "map" that could guide us to the cause?

Are birds that walk more advanced than those that hop?

21 October 2020

In the bush in Australia, there are two types of birds: those that walk, such as magpies, and those that hop, such as kookaburras. Is one of these groups more advanced than the other?

Puzzle #82: Dogmandoo

21 October 2020

Can you help the reporter work out the rainy details he forgot to write down in the press conference? Plus the answer to puzzle #81 "A bridge top far"

How many birds do cats kill? Help this science project find out

21 October 2020

Researchers want your help to try to find out how big a problem domestic cats are for wildlife in the UK. All you have to do is join the What The Cat Dragged In project, says Layal Liverpool