Consider the octopus. Smart and sophisticated, it has a brain larger than that of any other invertebrate. With 500 million or so neurons, its nervous system is more typical of animals with a backbone. In lab experiments, the octopus can solve mazes, open jars, and complete tricky tasks to get …

Earlier this month, state police in Connecticut held a “DNA drive” in an effort to help identify human remains found in the state. Family members of missing people were invited to submit DNA samples to a government repository used to solve these types of cases, a commercial genetic database, or …

A 58-year-old man has become the second person ever to receive a heart transplant from a genetically modified pig. The patient, Lawrence Faucette, was facing near death from heart failure and wasn’t eligible for a traditional transplant with a human organ. So surgeons at the University of Maryland Medical Center …

For Karen Sarkisyan, there are few things more awe-inspiring than a dark room full of glowing petunias. He wants more people to experience that magic and envisions a future lush with bioluminescent plants, like in the 2009 movie Avatar. “I think there’s just a sense of intrinsic excitement about things …

Elon Musk’s brain implant company Neuralink has announced it is one step closer to putting brain implants in people. Today, the company stated that it will begin recruiting patients with paralysis to test its experimental brain implant and that it has received approval from a hospital institutional review board. Such …

Updated vaccines against Covid-19 are coming, just as hospitalizations and deaths due to the virus are steadily ticking up again. Today, the US Food and Drug Administration authorized new mRNA booster shots from Moderna and Pfizer, and a panel of outside experts that advises the Centers for Disease Control and …

In a first, researchers in China have used pigs to grow early-stage kidneys made up of mostly human cells. The advance is a step closer to producing organs in animals that could one day be transplanted to people. More than 100,000 people in the United States are on the national …

The benefits of the drug semaglutide, sold under the brand names Ozempic and Wegovy, seem to go beyond controlling diabetes and helping people shed pounds. New research shows that the drug also has cardiovascular benefits and may lead to a better quality of life for people with heart problems who …

This August, government airplanes and helicopters have been dropping tiny parcels from the sky for raccoons to find. Each one is about the size of a ketchup packet and contains an oral rabies vaccine that coats the mouth of the animal that bites into it. The vaccine is the United …

Paralysis had robbed the two women of their ability to speak. For one, the cause was amyotrophic lateral sclerosis, or ALS, a disease that affects the motor neurons. The other had suffered a stroke in her brain stem. Though they can’t enunciate clearly, they remember how to formulate words. Now, …