News articles over the past few years have implicated everything from sunlight's ultraviolet radiation to burnt toast as potential carcinogens, or cancer-causing substances. So, should you be rushing to cut these everyday exposures out of your life? Well, it depends on the material you are talking about, and how much and how often you are in contact with it.
You could be forgiven for assuming that Glass, Google's head-mounted augmented-reality device, had been effectively dead since 2015. But as Google's sister company X, the Moonshot Factory, announced on Tuesday, the project has been pivoting to a business-to-business model over the past two years. The new, updated version of the device is known as Glass Enterprise Edition, and it's been put to use at companies like Boeing, DHL—and in physician's office.
John F. Kennedy was known for his youth and energy, but in the decades since his death we've realized that there was more to the story: The 35th President of the United States actually battled an impressive collection of medical problems. Among these was agonizing back pain that led Kennedy to undertake four surgeries.
A new study published this month in Nature marks a key milestone in Alzheimer's research. It demonstrates the first complete model of a tau filament, a protein structure found in the brain cells of Alzheimer's patients and thought to be the cause of the neurodegenerative disease.
"Are you allergic to any medications?" I've answered that query dozens of times since a childhood incident when penicillin, taken to treat a minor infection, instead gave me an itchy rash all over my body. So I respond automatically, and call out the common antibiotic. But I recently learned that this diagnosis could be wrong. Penicillin sensitivity can disappear over time, a fact researchers have known for years. So why hasn't my doctor told me to go get an official test? It could be because she doesn't actually know the allergy can fade.