In the Sept. 16 SN: Flexible brains learn with ease, making fair-minded machines, learning research hits classrooms, reading dodos’ bones, new battle of the sexes, tiny antennas, Southern Ocean upwelling in 3-D, black hole census and more.
BAD AIR U.S. pollution levels have come way down since the 1970s, but there’s still enough smog to raise the risk for cardiovascular deaths. Researchers are also drawing new connections between dirty air and metabolic and brain disorders.
COOPED UP Thanks in large part to antibiotics, chicken production has become heavily industrialized, as detailed in a new book.
SLIMED When startled, the dusky slug (Arion subfuscus) produces a goopy defense slime that slows down predators. Scientists are studying the chemical structure of this goo to make better surgical adhesives.