Monarch butterflies drop ominously in Mexico (Update)

The number of Monarch butterflies making it to their winter refuge in Mexico dropped 59 percent this year, falling to the lowest level since comparable record-keeping began 20 years ago, scientists reported Wednesday.

Plants' defense against insects is a bouquet

Michigan State University scholar Andrea Glassmire and her colleagues have revealed how the mixture of chemical weapons deployed by plants keeps marauding insects off base better than a one-note defense. This insight goes ...

Rice Institute calls for cuts in pesticide use

Rice farmers should cut the use of pesticides that kill the natural predators of the planthopper, one of the most destructive pests of the key crop, the International Rice Research Institute (IRRI) has said.

Bees use antennae to decode hive mates' dances

Scientists have discovered how honeybees can decipher dances by their hive mates that relay directions to food. The findings, published in Current Biology, reveal how, in the complete darkness of the hive, each bee uses its ...

page 8 from 14