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Ostuni, Puglia, Italy - 05 20 2022: Preparation of typical handmade pasta called "Orecchiette" in an outdoor space during the sunset light; Shutterstock ID 2158414957; purchase_order: -; job: -; client: -; other: -

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The easy way to make pasta at home

You don鈥檛 need eggs, flour and special gadgets to make your own pasta 鈥� semolina, water and a good knead will do it, says Sam Wong

What happens if you give Froot Loops to a rat and study its penis

This mosaic of Mars is a compilation of images captured by the Viking Orbiter 1. The center of the scene shows the entire Valles Marineris canyon system, more than 2,000 miles (3,000 kilometers) long, 370 miles (600 kilometers) wide and 5 miles (8 kilometers) deep, extending from Noctis Labyrinthus, the arcuate system of graben to the west, to the chaotic terrain to the east.

If humans colonised Mars, how would they calculate time?

JMD2WX refreshing lemonade drink with mint lime lemon in garden

Why did ice in my drink in Spain take longer to melt than at home?

Bengal cat washing itself on bed; Shutterstock ID 1123136123; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

Tom Gauld on a professor in disguise

Twisteddoodles on inventing a new type of washing pod

R126CH Unrecognisable woman in casual clothing holding a box of used coffee ground to use as compost in her garden.

Life

Why used coffee grounds may be doing your plants more harm than good

MNN37P Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies are: the Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

Will there ever be a time when all our solar system鈥檚 planets align?

R2YAK1 Professional washer in black uniform and cap wiping with sponge car wheel of a luxury car during the washing process outdoors

Why are the front wheels of my car much dirtier than the rear ones?

Front wheels are dirtier due to the load of braking or road dirt, but one reader suggests driving backwards to test this out

Could land-dwelling octopuses develop technology? (Part 3)

This week鈥檚 new questions

An intellectually delicious recipe for electric meringue

Earth

See some of the images up for the Earth Photo 2023 competition