91av

Twisteddoodle’s letter to Santa

This week's cartoon from Twisteddoodles

Weather Photographer of the Year - collage for main image

Earth

Wintry scenes top Weather Photographer of the Year competition

2F26A1N Three partridges flapping wings in the snow

Life

Join the Christmas Bird Count and contribute to conservation research

Can you hear the strains of an imaginary Bing Crosby?

Tom Gauld on a near miss with aliens

Twisteddoodles on the weird appeal of a lab safety talk

Life

Spotlight on plankton, the ocean’s fascinating, bite-sized creatures

DNPBE6 The field of red poinsettias being grown for Christmas in Cambridgeshire.

Life

Learn the secrets of poinsettias to help them thrive

How to foster a toddler’s yen for engineering

Milk coffee is a combination of equal parts espresso, steamed milk and milk froth.

Does a latte cool faster than a cappuccino?

One 91av reader has done the maths and settled this debate about coffee – and another has volunteered to join the testing team

Why do loose screws only get looser and not the other way round?

How fast would you have to travel to be able to run on water? (part 2)

This week’s new questions

Tom Gauld on handling a difference of opinion