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Phys.org / Homo habilis: The oldest and most complete skeleton discovered to date

An international research team has unveiled a significant discovery in human paleontology: an exceptionally well-preserved Homo habilis skeleton dating back more than 2 million years.

1 hour ago in Biology
Medical Xpress / Implant provides lasting relief for treatment-resistant depression, study finds

About 20% of U.S. adults experience major depression in their lifetime. For most people, symptoms improve within a few treatment attempts, but up to one‐third of patients have treatment‐resistant depression, for which ...

1 hour ago in Psychology & Psychiatry
Phys.org / Frozen hydrogen cyanide 'cobwebs' offer clues to origin of life

A substance poisonous to humans—hydrogen cyanide—may have helped create the seeds of life on Earth. At cold temperatures, hydrogen cyanide forms crystals. And, according to computer models reported in ACS Central Science, ...

3 hours ago in Chemistry
Phys.org / Can a bat catch prey on a mirror? A bat's expert foraging skills revealed using a robot

Scientists built a robot to help explain how a tropical bat spots insects perched on leaves using echolocation, a highly sophisticated behavior that requires precise, split-second decision making on the part of the hunting ...

1 hour ago in Biology
Tech Xplore / Self-healing composite can make airplane, automobile and spacecraft components last for centuries

Researchers have created a self-healing composite that is tougher than materials currently used in aircraft wings, turbine blades and other applications—and can repair itself more than 1,000 times. The researchers estimate ...

1 hour ago in Engineering
Phys.org / Type Ia supernova delayed-detonation model supported by SN 2024gy observations

A research team from the Yunnan Observatories of the Chinese Academy of Sciences (CAS), in collaboration with domestic and international partners, has carried out observational studies on SN 2024gy—a high-velocity Type ...

1 hour ago in Astronomy & Space
Phys.org / How 'smart' nanoparticles can deliver targeted gene therapy in osteoarthritis

Osteoarthritis is a highly prevalent joint disease that leads to cartilage breakdown, pain and disability, yet there are still no FDA-approved treatments that can slow or reverse its progression. RNA-based therapies hold ...

1 hour ago in Nanotechnology
Phys.org / 'Absolutely huge' black coral among largest ever seen

Marine researchers have been wowed by the size of a centuries-old black coral found in Fiordland.

1 hour ago in Biology
Phys.org / T. rex grew up slowly: New study reveals 'king of dinosaurs' kept growing until age 40

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of Tyrannosaurus rex to estimate how old the giant carnivores were when they died and how quickly they grew ...

4 hours ago in Biology
Medical Xpress / Blood test predicts which patients with lung cancer will benefit from newly approved immunotherapy drug

A team led by investigators at the Mass General Brigham Cancer Institute has discovered that a particular marker on tumor cells circulating in the blood indicates whether a patient with lung cancer will experience a lasting ...

1 hour ago in Oncology & Cancer
Medical Xpress / Hidden heart-care gaps found among Asian American patients

Using nearly a decade of data (2015–2023) from 800+ U.S. hospitals and more than 700,000 patients, Northwestern researchers found that when Asian American heart failure patients are separated by ethnicity, rather than grouped ...

1 hour ago in Cardiology
Phys.org / Fire on ice: The Arctic's changing fire regime

The number of wildland fires burning in the Arctic is on the rise, according to NASA researchers. Moreover, these blazes are burning larger, hotter, and longer than they did in previous decades.

1 hour ago in Earth