Engineers pioneer a pacemaker that can power itself
Peer-Reviewed Publication
Updates every hour. Last Updated: 26-Oct-2026 07:16 ET (26-Oct-2026 11:16 GMT/UTC)
The device has the potential to last an entire lifetime, reducing the risks and costs associated with replacing the devices when their batteries fail.
A National Institutes of Health (NIH)-funded scientific team has shown that under the right circumstances, 3D cell culture models of human brain tissue, known as organoids, can express features of later stage brain development. This breakthrough could turn previously unattainable, long-term, benchtop studies of neurodevelopmental disorders into a reality.
People participating in a new study of state-regulated psilocybin services reported relief from symptoms of anxiety, depression and post-traumatic stress disorder — with almost two-thirds declaring the experience to be among the most meaningful of their life.
Nearly half of adults in the United States who use cannabis mainly smoke it, but about 1 in 7 use it in nearly every form available, a behavior tied to daily cannabis use and increased addiction risk, a new study shows.