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After outliving Booker T. Bones, their second service dog, Brenda and Brian Marquis still needed help with some of the more difficult parts of daily life.

They found Robbie, a robot that rolls out of a hallway into their living room several times a day.

“Do you want to exercise now? Please answer yes or no,” the caregiver robot asks 59-year-old Brian Marquis, who has been living with a traumatic brain injury since a 2012 car crash.

“Yes,” he responds...

Having a swarm of microbots moving across your body may sound like the stuff of a horror movie, but it could actually be the future of targeted drug delivery and advanced wound healing. Scientists have developed a way to use blue and red light as a remote control to assemble and disperse swarms of biohybrid microrobots that could one day transform how we treat injuries.

Details of the research are in a paper published in the journal Science Advances.

The microrobots come in two parts...

Spanish researchers have demonstrated a scalable manufacturing process for carbon nanotube (CNT) fibers with electrical conductivity comparable to that of copper and aluminum. The result, published in Science, is a breakthrough for the future of electrification in aerospace, electric vehicles (EVs), drones and related applications, which require lightweight and high-strength electrical wiring.

CNTs have long been considered as ideal building blocks for electrical conductors, owing to their unique combination of low densi...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense Xray flares at regular intervals that have puzzled scientists, a study said Friday.

Astronomers previously had little reason to pay any attention to galaxy SDSS1335+0728, which is 300 million light years from Earth.

But in 2019, the galaxy suddenly started shining with a brightness that turned some telescopes its way.

Then in February last year, Chilean astronomers started noticing regular bursts of X-rays coming from the galaxy.

This was a sign that the galaxy’s sleeping black hole was waking from its slumber, ...