No more doubts: Two independent studies confirm LIGO’s Nobel discovery

Enlarge / LIGO’s February 11, 2016, press conference in Washington, DC, where they announced the first direct detection of gravitational waves. (credit: Saul Loeb/AFP/Getty Images) Just last month, we told you about a small group of Danish physicists who were casting doubt on the original gravitational wave signal detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO), […]

Cardiac stem cell treatment pioneer fabricated 31 studies, Harvard & Brigham conclude

Two prestigious US hospitals have concluded a prominent cardiologist whose research served as the foundation for cardiac stem cell therapy fabricated or falsified data in at least 31 published studies that should now be retracted. Piero Anversa’s research first made waves in 2001, when he published a paper in Nature suggesting that stem cells could […]

Bots on Amazon’s task service may be souring psych studies

It’s not uncommon for scientists to use Amazon’s Mechanical Turk for research — they can quickly gather survey data in return for a small outlay to participants. Academics are quickly discovering the limits of the task service with the modern bot-happy internet, however. Numerous psychology researchers have reported a sharp rise in the number of […]

Neanderthals were artists and thought symbolically, new studies argue

Enlarge / Can you spot the three hand stencils? (credit: J. Zilhão) Hominins have lived in Western Spain’s Maltravieso Cave off and on for the last 180,000 years. At some point in those long millennia of habitation, some of them left behind hand stencils, dots and triangles, and animal figures painted in red on the […]

New studies zero in on roots of depression and why ketamine reverses it

Enlarge (credit: Wikimedia) While we have a number of treatments available for clinical depression, many of them have a significant side effects, and a lot of people struggle to find a drug that they respond to. The situation is made worse by our limited understanding of the biology underlying depression. We don’t know how to […]

Studies suggest cellphone radiation doesn’t threaten humans

No, the debate over the risks of cellphone radiation isn’t over yet. The US National Institutes of Health’s National Toxicology Program has published details of draft studies which suggest that normal cellphone radiation levels aren’t harmful to humans. The research subjected rats to very high levels of RF radiation at 2G and 3G cellular frequencies, […]