However, many scientists and psychologists are skeptical of the supposed benefits of putting infants through an intensive sign language program.
For nonlinguistic activities that involve the mouth people tend to open their mouths more symmetrically or on the left side.
Lab researchers have noticed that the baby rats whose mothers spent more time grooming and fussing over them grew up to cope better with the challenges of laboratory life. They were more comfortable exploring open spaces, and stayed calmer during stressful situations.
Some babies are born with a full head of thick, colorful hair, while other babies are born with very thin, hard-to-see hair.
Since botulism bacteria cannot survive in oxygen, they form spores that lie dormant until they’re in an oxygen-free environment. For example, the oxygen-free insides of canned goods are prime breeding grounds for botulism.