杏吧原创

Twisteddoodles on difficult experiments

This week's cartoon from Twisteddoodles

2MEWW0N Tempering_Marble

Chemistry

The science behind tempering chocolate

Looking for morbid romance? There’s a study for that

FY9W05 International Space Station and astronaut in outer space over the planet Earth. Elements of this image furnished by NASA.

Do cells in an astronaut鈥檚 body multiply at the same rate as on Earth?

Builder or carpenter working on the roof - silhouette with strong back light; Shutterstock ID 84416038; purchase_order: -; job: -; client: -; other: -

What happens when a hammer hits a nail?

Food tin cans. Groceries background with dof.; Shutterstock ID 169474457; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

Life

Stunning photos of life above and below water

Tom Gauld on how scientists mingle at a drinks party

Twisteddoodles: the correct way to load a dishwasher

In the village of Tshabula, villagers search for cobalt and copper in the waste tailings dumped by the lorries of the Chinese company Commus, which extracts minerals from one of the town's largest open-cast mines.

Earth

Dramatic images show the dark side of cobalt mining boom

Pascal Maitre's photos from the Democratic Republic of Congo detail the problems arising as demand for cobalt grows

Life

A cheaper alternative to activated charcoal for your terrarium

Did Natalie always look like a Natalie? A new study investigates

If we could step to the universe鈥檚 furthest point, what would we see?

Why do large military planes have wings on the top of the fuselage?