News
- Animals
Hot and hungry bees hit hot spots
New lab experiments suggest that bumblebees like warm flowers and can learn color cues to pick them out.
-
Autism’s Cell Off: Neural losses appear in boys, men with disorder
The brains of boys and men with autism, a developmental disorder that impairs communication and social interaction, contain low numbers of neurons in a structure involved in emotion and memory.
- Humans
Racial IQ Gap Narrows: Blacks gain 4 to 7 points on whites
African Americans reduced the racial gap on IQ-test scores by about one-third between 1972 and 2002.
- Earth
Stung Lung: Volatile chemical may cut respiratory capacity
Para-dichlorobenzene, a chemical in some air fresheners and pest-control products, may slightly impair lung function in millions of people.
