News
- Health & Medicine
Pot Downer: Marijuana users risk gum disease
Regular marijuana smoking is linked to gum disease in young adults.
- Ecosystems
Spread of nonnative fish mirrors human commerce
Invasions of foreign freshwater fish are more common in areas with relatively high economic activity, suggesting that humans are a part of the problem.
- Animals
Whales Drink Sounds: Hearing may use an ancient path
Sounds can travel to a whale's ears through its throat, an acoustic pathway that might be ancient in the whale lineage.
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Tots Who Tote: Babies show neural signs of budding number sense
By three months of age, infants already display separate brain networks for detecting changes in either the number or the types of objects that they see.
