A new technology uses human teardrops to spot disease
Human tears could carry a flood of useful information. With just a few drops, a new technique can spot eye disease and even glimpse signs of diabetes, scientists report July 20 in ACS Nano. …
Category: Science
Herminia Pasantes revealed one of taurine’s big roles in the
When Herminia Pasantes Ordóñez was about 14 years old, in 1950, she heard her mother tell her father that she would never find a husband. Pasantes had to wear thick glasses for her poor eyesight.…
News at a glance: Debate over classifying research, giant
ECOLOGY Scientists find new hummingbird colors The plumage of hummingbirds has more color diversity than the feathers of all other birds combined, a recent study finds. Researchers from Yale University collected feathers from specimens of…
Some scientists want serious research into UFOs. Here’s why
Throughout history, people have spotted mysterious effects or objects in the sky. Some have claimed such “unidentified flying objects,” or UFOs, are alien spaceships. Others have shown that many UFOs have earthly explanations. Some could…
Changes to periods after Covid vaccines may be common,
When adults gained access to Covid vaccines last year, most knew to expect headaches, fatigue and soreness as side effects.But some researchers think it’s time to add another common one to the list: temporary menstrual…
Overnight Science News Digest: Supercharged heat waves used
Extreme heat and humanity On Tuesday, shortly before wildfires swept through parts of south-east England, the Daily Mail published a comment piece by a writer called Stephen Robinson. “Why can’t the Met Office just tell us…