91色情片

What is the weird mussel-like thing found in a mine?

Readers may have found the answer to the mystery of the odd, rusty bivalve-like form found in a Welsh pit

This week鈥檚 new questions

Up-to-the-minute advice on the benefits of testicle tanning

Tom Gauld stared into the abyss, and now they meet for regular chats

Twisteddoodles: I’m you, but from a different dimension

FEATURE CROP

Humans

A city of 10 billion: Speculative image paints a vision of the future

T5R79P super green moon back silhouette Antenna night red cloud on sky, Elements of this image furnished by NASA

If the moon changed to green cheese, what would be the consequences?

healthy toes close up with a human foot with clean nail; Shutterstock ID 2126317208; purchase_order: -; job: -; client: -; other: -

How did prehistoric people cut their toenails?

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This week鈥檚 new questions

Hands of senior woman who is making homemade yoghurt ( yogurt ) with selective focus. Fermentation of yoghurt with blurred background. ; Shutterstock ID 1444914857; purchase_order: -; job: -; client: -; other: -

Humans

How to make your own yogurt

The benefits of yogurt are manifold, and the best part is you can grow as much of it as you want, says Sam Wong

Humans

Evidence finally collated of toads mating with things they shouldn鈥檛

Tom Gauld is up and pondering the inevitable demise of the universe

Twisteddoodles: Brand new social media sites

Humans

Remarkable images bring water’s myriad meanings to life