Uncategorized
-
19026
Rather than early exposure to pets preventing allergies, I suspect that families who have allergies may generally tend to avoid having pets in the home because they cause physical discomfort to allergy sufferers. Terry LeeYerington, Nev.
- Health & Medicine
Pet exposure may reduce allergies
Exposing children to cats or dogs at an early age may make them less prone to allergies later in life.
- Anthropology
Gene change hints at brain evolution
A genetic mutation found only in humans first appeared around 2.8 million years ago, perhaps setting the stage for brain enlargement in the Homo lineage.
- Tech
Pocket Sockets
Keenly aware of user frustration with the short-lived batteries in cell phones and other portable electronics, researchers are rushing to work out the bugs in tiny fuel-cell power plants that will be as small as batteries—but last a lot longer and be refuelable.
