SCIENCE

Vanishing Y chromosomes seem to be driving heart disease in men

A human Y (right) and X chromosome seen with a scanning electron microscope POWER AND SYRED/SCIENCE PHOTO LIBRARY Men who

SCIENCE

Oddly viscous stars could be impersonating black holes

Is that gravitational wave signal coming from a black hole, or something even stranger? titoOnz / Alamy Exotic viscous stars

SCIENCE

Super-sticky hydrogel is 10 times stronger than other glues underwater

Researchers tested a sticky hydrogel by using it to glue a rubber duck to a rock in the ocean Hao

SCIENCE

Could we get quantum spookiness even without entanglement?

Light particles seem to exhibit quantum weirdness even when they aren’t entangled WLADIMIR BULGAR/SCIENCE PHOTO LIBRARY Particles that don’t seem

SCIENCE

Mystery of the potato’s origins solved by genetics

Potato tubers are the result of an ancient hybridisation event Jackie Bale/Getty Images The humble potato, it turns out, is

SCIENCE

Puppy and cheetah cub make unlikely pair of step-siblings

The playful pair of Rozi the cheetah cub and Ziggy the labrador-kelpie-collie mix show that sibling bonds can transcend species

SCIENCE

Major carbon sink may have vanished for a second year in a row

Vegetation like that in the Chapada das Mesas National Park, Brazil, is no longer removing as much CO₂ from the

SCIENCE

Tiny elusive gecko rediscovered on one of the Galapagos islands

A leaf-toed gecko from Rábida Island Rory Stansbury/Island Conservation A tiny gecko has been rediscovered on Rábida Island in the

SCIENCE

Your chance of having a boy or girl may not be 50/50

A woman’s age may determine whether she has only sons or daughters Marko Pekic/Getty Images You may assume that a

SCIENCE

How human eggs stay fresh for decades

Egg cells don’t dispose of their waste the same way other cells do Sebastian Kaulitzki / Alamy Human eggs seem