Quick crossword #69: Spotted cat of South America (6)
22 October 2020
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Premium
We must hold a steady course on our response to covid-19
21 October 2020
Cutting transmission of the coronavirus is vital to prevent hospitals being overwhelmed and schools shutting, but also to stop it evolving
Ball lightning is so strange it might just come from another dimension
21 October 2020
Mysterious floating orbs of light have puzzled scientists for centuries, inspiring no end of creative explanations. A new idea suggests they aren't entirely of this world
Viruses have busy social lives that we could manipulate to defeat them
21 October 2020
The coronavirus and others are no lone wolves, they cooperate and compete with one another. Understanding these social interactions could help us fight them
Email should be obsolete by now, so why are we still using it?
21 October 2020
Email is often slow, dull and annoying, yet its dogged determination has allowed it to weather dramatic changes in technology over the decades, writes Annalee Newitz
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?
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
