Social media is awash with claims iron deficiency can be identified in the mirror by dark circles, breaking hair and dry skin. But is ‘ferritin face’ real? Madeleine Finlay tells Ian Sample why so many of us struggle to keep our iron levels up, how we can actually diagnose low iron and the best way to correct a deficiency, with help from Hal Drakesmith, a professor of iron biology at Oxford University, and advice from Dr Sue Pavord, a consultant haematologist at Oxford university hospitals and associate senior lecturer in clinical medicine at St Edmund Hall ‘Ferritin face’: are social media claims about iron deficiency fact – or fiction? Support the Guardian: theguardian.com/sciencepod Continue reading...
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NASA has successfully demonstrated technology designed to help spacecraft autonomously navigate to safe landing sites on the moon and on other planets. An Alta-X drone equipped with the agency's Safe and Precise Landing—Integrated Capabilities Evolution (SPLICE) guidance, navigation and control payload completed simulated lunar descent and landing maneuvers Aug. 27. The flight took place at Rogers Dry Lake near NASA's Armstrong Flight Research Center in Edwards, California.
A new study published in the journal Ecography finds that there are more than 60,000 different species of insects in California—and scientists have only described about two-thirds of them.
California has had relatively few major wildfires since the January 2025 Los Angeles fires, but unmet priorities could spell disaster at any time.
A space capsule 300 miles above us is growing the tiny crystals of a potential cancer drug in microgravity Roughly 300 miles above our heads, three washing machine-sized capsules are orbiting the Earth. Inside one of them, tiny crystals of a potential cancer drug are being grown in the weightlessness of space. The others are testing heat protection materials and navigation systems for when the capsules plunge back through Earth’s atmosphere at hypersonic speeds. Together, they represent a small but significant step towards what some hope will become a lucrative new industry: manufacturing drugs and other materials in space. The spacecraft belong to California-based Varda Space Industries. On 1 October, it launched two onboard the same rocket, followed by the third on 20 October. With a record three spacecraft now simultaneously in orbit for the first time, the company is edging closer to its ambition of operating a fleet of orbiting pharmaceutical factories. Continue reading...
A study co-led by a University of California, Riverside, biomedical scientist has identified new targets for coronavirus antiviral drugs, including treatments that may be less vulnerable to the rapid evolution of these viruses.
SpaceX sent another batch of its Starlink broadband satellites to orbit from California just after midnight on Halloween (Oct. 31).
As one of the world’s leading forensic anthropologists, Dame Sue Black has acted as an expert witness in a myriad of high-profile criminal cases. Her work has taken her from the lab to active war zones and the aftermath of natural disasters to identify victims’ bodies. Speaking to Ian Sample, the professor explains why standing up in front of a judge and jury has been one of the more terrifying parts of her career, the reputational risk of presenting evidence in court and what the future of forensic science could look like Continue reading...
Reid Wiseman, now a retired emeritus astronaut, will become deputy director of the Jet Propulsion Laboratory, NASA’s premier center for deep-space robotic missions.
As one of the world’s leading forensic anthropologists, Dame Sue Black has acted as an expert witness in a myriad of high-profile criminal cases. Her work has taken her from the lab to active war zones and the aftermath of natural disasters to identify victims’ bodies. Speaking to Ian Sample, the professor explains why standing up in front of a judge and jury has been one of the more terrifying parts of her career, the reputational risk of presenting evidence in court and what the future of forensic science could look like Order An Expert Witness from the Guardian bookshop Support the Guardian: theguardian.com/sciencepod Continue reading...
SpaceX launched 27 more Starlink satellites to low Earth orbit overnight (Oct. 27), aboard a Falcon 9 rocket that lifted off from California in the wee hours of darkness.










