A team of researchers has made a small, ingestible robot that can be swallowed. It can open up inside the body and then patch internal wounds, remove batteries or deliver medicine.
A Texas family accused Payless of careless lithium battery inside their son's light-up shoes, which sparked off a fire in their SUV. It prompted Payless ShoeSource Inc. to pull out lighted shoes from shelves.
The batteries are said to be more efficient than traditional Li-on batteries.
Children between the ages of six months to six years tend to swallow small objects out of curiosity.
