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Jupiter Saturn conjunction: How to see tonight's 'Christmas star'

21 December 2020

Get ready for 21 December 2020, when the "winter solstice great conjunction" of Jupiter and Saturn brings them closest in the night sky since 1623

Cryptic crossword #46: So upset about grim smells (6)

10 December 2020

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

Tom Gauld: Rudolph the reindeer in 4 graphs

9 December 2020

Tom Gauld's weekly cartoon

Twisteddoodles produces a lab accident form

9 December 2020

This week's cartoon from Twisteddoodles

This week’s new questions

9 December 2020

Many humans are long or short-sighted - is it the same for other animals? And why does it make such a racket when glass bottles are emptied into a recycling bank?

What difference does the timing of meals over the day make?

9 December 2020

If you eat three meals a day, does it make a difference if they are taken within, say, an 8-hour window or a 14-hour one? Here are our readers' responses

What makes some people short-sighted and others long-sighted? (cont.)

9 December 2020

In the eye, what exactly leads to short- and long-sightedness? Does environment play a part, or genetics? The debate continues

Has the doubling of the human population increased Earth’s mass?

9 December 2020

In the past 50 years, the number of humans on Earth has doubled to nearly 8 billion, so has the mass of our planet and everything on it increased? Readers respond

Are these the strangest Amazon book recommendations of all time?

9 December 2020

The best books to read while crocheting hyperbolic planes, plus outdated tech that lives on and why money can buy happiness in Feedback’s weird weekly round-up