January cold snap caused rare wintertime coral bleaching and die-offs for Florida’s coral reefs.

The plant's newly sequenced genetic blueprint includes a surprising number of spare copies. (p. 16)

A sea slug, long known as a kidnapper of algal biochemistry, can make its own supply of a key photosynthetic compound. (p. 10)

Sphagnum overcomes drag by launching its spores in vortex rings.

Museum records, publications suggest extra generations at same time as temperature increases

With bed-bug numbers on the rise in North America, researchers test homemade bug finders. (p. 8)

Infected squash plants smell delicious but taste terrible – perfect combination for tricking aphids into spreading disease (p. 8)

Many factors may interact to bring on the mysterious honey-bee colony collapse disorder.

Gorgeous plumage for both starling sexes comes from rivalry in co-op nests

After one veterinary NSAID almost wiped out vultures in South Asia, one of the possible replacements turns out to be toxic too.

German birds that spend the off-season at U.K. birdfeeders now look slightly different from neighbors that migrate to Spain (p. 12)

Bumping an early embryo’s cells can switch the direction of its spiral.