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champagne spoon

This week’s new questions

Does putting a teaspoon into an open bottle of champagne really prevent it from losing its fizz, and if so, why? And what triggers cicadas to sound in unison, then go silent periodically?

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What could stop wrong-organ surgical errors? Being careful, says study

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Les scientifiques du CNRS et de l?universit? chilienne d?Antofagasta collectent des ?chantillons et de l?eau sur la Laguna Roja au nord du Chili. Avec un petit canot pneumatique, ils vont s?aventurer sur ce lac d?arsenic pour r?colter avec une bouteille sp?ciale, de l?eau ? diff?rente profondeur pour faire des analyses chimiques et voir si des microorganismes arrivent ? vivre dans ces conditions extr?mes.

Life

Chile’s Atacama salt flats captured in spectacular drone shot

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Tom Gauld on a committee on extraterrestrial visits

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Twisteddoodles: Catering to pet palates

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2GRH9F9 Man watering a Maranta Leuconeura, Fascinator Tricolor, houseplant with a plant mister bottle.

Life

Debunking gardening myths: Does misting your houseplants really work?

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Hair-raising research explores the north-south divide on your scalp

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20 July 1969. Neil Armstrong?s photos of Buzz Aldrin?s first steps on the Moon. This was what it all boiled down to in the end, even after the unprecedented feats of rocketry and all the extraordinary technical innovation which had safely flown two astronauts to a destination a quarter of a million miles from home: the basic human act of walking.

Space

Walking on the moon: candid photos from astronaut Tim Peake’s new book

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Split view of a pod of sperm whales in a social group showing the sky and below the waterline, north western Mauritius.; Shutterstock ID 742662229; purchase_order: -; job: -; client: -; other: -

Why don’t marine mammals like whales get ‘the bends’?

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The Supermoon rises over houses in Olvera, in the southern Spanish province of Cadiz, July 12, 2014. Occurring when a full moon or new moon coincides with the closest approach the moon makes to the Earth, the Supermoon results in a larger-than-usual appearance of the lunar disk. REUTERS/Jon Nazca (SPAIN - Tags: SOCIETY CITYSCAPE TPX IMAGES OF THE DAY) - GM1EA7D0FC401

When was it realised that moonlight is reflected sunlight? Part 2

One reader says Anaxagoras, born around 500 BC, wasn't the first to note that the moon is illuminated from the sun, with both Thales and Parmenides making the point earlier

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How do dogs recognise that another animal is also a dog? Part 3

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This week’s new questions

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Tom Gauld: Stay safe this Halloween with our helpful diagram

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Twisteddoodles: The figure in white moaned…

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