Given two choices of attractive mates, female frogs pick the top vocalist. But add a third, inferior male to the mix, and females go for No. 2. The "decoy effect" shapes some human choices, too.
The aerospace giant is moving to settle a suit accusing it of mishandling its plan. The case is part of a legal assault by an attorney to stop firms from offering workers high-cost retirement plans.
The Virginia shooter who murdered two TV journalists allegedly recorded the attack himself. Experts say wearable cameras will become a regular part of the toolkit for killers who want attention.
Enterprising businesses will mark the pope's visit to Philadelphia next month with irreverent tchotchkes — including beers brewed with holy water and toasters that etch the pontiff's face on bread.
Wild swans — which all belong by law to the Queen — are among Britain's most cherished birds. But there's been an uptick in incidents of neglect and cruelty. Some swans are even being eaten.
While the drought has put a strain on California agriculture, its farms actually set an all-time record for total sales — $54 billion — in 2014. How? By pumping more water from their wells.
More than 21,000 are out of work this year from California's drought, a study says. The majority are farmworkers, and those lucky enough to have a job are often working longer hours for less money.
For some insects, sound waves or vibrations are the real social media — high-speed rumbles sent through the air and along leaf stems to help the bugs claim territory, send warnings and find mates.
When Casey Corcoran found his email address in the adultery website's customer database, he told his wife. It was a mistake, and he wanted her to know that. Then they did some computer forensics.
Post-Katrina recovery varies with each neighborhood. In some, residents never returned. Others have seen an influx of newcomers, creating a different mix of people who now call the city home.