Spinal stimulation gives some people with paralysis more freedom

By his count, Michel Roccati is on his third life, at least. In the first, he was a fit young man riding his motorcycle around Italy. A 2017 crash in…

Two black holes merged despite being born far apart in space

Signals buried deep in data from gravitational wave observatories imply a collision of two black holes that were clearly born in different places. Almost all the spacetime ripples that experiments…

Whale sharks may be the world’s largest omnivores

As Mark Meekan bobbed among swells in the Indian Ocean, he spotted a giant shadowy figure moving through the water. The tropical fish biologist dove to meet the gentle giant …

Tiny amoebas move faster when carrying cargo than without

Microbes enlisted to carry tiny loads travel faster with cargo attached than on their own. That’s the surprising finding of a study of the carrying capacity of single-cell amoebas. The…

Tiny amoebas move faster when carrying cargo than without

Microbes enlisted to carry tiny loads travel faster with cargo attached than on their own. That’s the surprising finding of a study of the carrying capacity of single-cell amoebas. The…

I think I have long COVID. What does that mean?

In the year before the omicron variant began to spread in the United States, an estimated one-third of 18- to 45-year-olds had gotten sick with COVID-19. Just three months later,…

Electrical bacteria may help clean oil spills and curb methane emissions

The small motorboat anchors in the middle of the Chesapeake Bay. Shrieks of wintering birds assault the vessel’s five crew members, all clad in bright orange flotation suits. One of…

Astronauts might be able to use asteroid soil to grow crops

Astronauts might one day dine on salad grown in asteroid soil. Romaine lettuce, chili pepper and pink radish plants all grew in mixtures of peat moss and faux asteroid soil,…

Like bees of the sea, crustaceans ‘pollinate’ seaweed

When it comes to reproduction, one type of red algae gets by with a little help from its friends: small sea crustaceans that transport sex cells between male and female…

This stick-on ultrasound patch could let you watch your own heart beat

Picture a smartwatch that doesn’t just show your heart rate, but a real-time image of your heart as it beats in your chest. Researchers may have taken the first step…