In the United States, around 22 percent of older people have cognitive impairment, while around 10 percent have dementia. A new study suggests that antibiotics aren’t associated with the two conditions. Published in Neurology, the journal of the American Academy of Neurology, the study shows that antibiotics are not connected with a raised risk of cognitive impairment or dementia in the short term.“Older adults are more frequently prescribed antibiotics and are also at higher risk for cognit ...read more
We all want healthier teeth, but what does the science say about fluoride, an additive that’s used in the U.S. and around the world to help support strong, healthy teeth? According to the Centers for Disease Control and Prevention (CDC), fluoride is a safe and healthy solution. In small amounts, it helps to strengthen the teeth and to hinder the acids that harm them. Here’s how fluoride works, and why it’s important. Fluoridated Water AccessFluoride is a mineral that’s naturally found in ...read more
Right now, a giant black hole that was born in the early years of the universe is doing something shockingly relatable: taking an extended nap after overeating. In a new study, researchers observed the black hole in a dormant state, having fallen asleep after consuming matter and undergoing a whirlwind period of growth. Its slumber, although uneventful, may deliver answers on the birth and growth of black holes.An updated perspective on black holes drives the recently published Nature study, fea ...read more
In June 2024, an Asian elephant in central Thailand gave birth to a set of twins. The event was considered a miracle, since elephant twins are a fleetingly rare occurrence.Jamjuree, a 36-year-old elephant, birthed two calves — a girl and a boy. It’s the first official record of elephant twins of different genders born in Thailand. According to a statement, the shock of birthing a second calf sent the mother into a panicked frenzy. Rare Elephant TwinsElephants have the longest gestation perio ...read more
X-rays pass easily through biological materials to provide unprecedented insight into the internal structure of everything from biological structures in living cells to broken bones in damaged bodies. But biologists face something of a dilemma in making these images. The ionizing nature of X-rays can break chemical bonds, damage living cells and distort the biological structures under investigation. So biological imaging experiments must balance the need for clear images against the inevitable d ...read more
Author Vishay SinghPosted on Categories Discover Magazine