A book that criticizes alternative medicine to treat conditions that have names but no criteria is controversial - because it runs up against a supplement and alternative medicine enabled by governments that believe science can't be trusted
More than 60% of traffic collisions at intersections involve left turns. Some U.S. cities – including San Francisco, Salt Lake City and Birmingham, Alabama – are restricting left turns.Dr. Vikash Gayah, a professor of civil engineering at Penn State University and the interim director of the Larson Transportation Institute, discusses how left turns at intersections cause accidents, make traffic worse and use more gas.How dangerous are left turns at intersections?
People dedicated to the art of grilling often choose lump charcoal – actual pieces of wood that have been turned into charcoal – over briquettes, which are compressed charcoal dust with other ingredients to keep the dust together and help it burn better.The kinds of wood used to make lump charcoal affect how it burns and how the food tastes when grilled. Dedicated grillers are often willing to pay a premium for higher heat, no additives, particular flavors and the cleaner burn they get from particular wood species in lump charcoal.Buyers probably expect the label to accurately report how much charcoal they are getting, what kind of wood it is, and where the wood was grown.
The U.S. Department of Energy’s decision to claw back US$3.7 billion in grants from industrial demonstration projects may create an unexpected opening for American manufacturing.
Today’s large language models (LLMs) process information across disciplines at unprecedented speed and are challenging higher education to rethink teaching, learning and disciplinary structures. As AI tools disrupt conventional subject boundaries, educators face a dilemma: some seek to ban these tools, while others are seeking ways to embrace them in the classroom. Both approaches risk missing a deeper transformation that was predicted 60 years ago by Canadian communication theorist Marshall McLuhan.
More and more people over the age of 50 are taking up physical exercise. Medical associations resoundingly agree that this is a good thing. Physical exercise is not only key to disease prevention, it is also a recommended part of treatment for many illnesses.However, starting to move at this stage of life requires some care. This is especially true for those who have not previously been physically active, or for people who are overweight or obese.
Illegal firearm trafficking is inseparable from the illegal drug trade: Weapons are often bought with drug money, can strengthen cartels and can be traded for drugs.
Lichens on stone, those “still explosions” as the great American poet Elizabeth Bishop named them, remain unseen to most, which is remarkable when you consider how commonplace they are. It seems these ecologically and culturally significant whatever-they-ares unfairly fall victim to something akin to plant blindness, a known phenomenon and tendency of people to overlook plants, which many of us – when we first encounter lichens – identify them as, even though that’s not what they are at all.
Richard Garwin, who died on May 13, 2025, at the age of 97, was sometimes called “the most influential scientist you’ve never heard of.” He got his Ph.D. in physics at 21 under Enrico Fermi – a Nobel Prize winner and friend of Einstein’s – who called Garwin “the only true genius” he’d ever met.
Over the last decade, there has been growing international focus on the role of food in conflict, particularly in Africa. The continent has seen an increase in jihadist terrorism in several regions. Violence, like that exercised by terrorist organisations, is linked with food security conditions, causing a vicious circle of hunger and conflict. Terrorism generates food disruptions. It undermines production systems and supply routes.
Almost 2,000 years ago in modern-day Uttar Pradesh, India, someone deposited a cache of gems inside a reliquary (a container for holy relics), along with some bone fragments and ash. The gems were precious, but the bones and ash even more so, for according to an inscription on the reliquary, they belonged to Siddhartha Gautama, the Buddha.
A few drops of saliva can now reveal what used to require a scalpel, a syringe or a scan.Scientists have developed ways to analyze spit for the tiniest traces of illness – from mouth cancer to diabetes, and even brain diseases like Alzheimer’s. Unlike blood tests or biopsies, saliva is easy to collect, painless and inexpensive. During the COVID pandemic, some countries used saliva-based testing for rapid screening.
As the Trump administration continues to make significant cuts to NIH budgets and personnel and to freeze billions of dollars of funding to major research universities – citing ideological concerns – there’s more being threatened than just progress in science and medicine. Something valuable but often overlooked is also being hit hard: preventing research abuse.
