With its pleasant climate, Florida has become home to more exotic and invasive species of plants and animals than any other state in the continental U.S. Some invasive species have been brought in deliberately, such as the Burmese python or the Cuban brown snail. But the majority of species are imported inadvertently as cargo.
Amanda Hodges, who heads the biosecurity research lab at the University of Florida, says that until recently, scientists saw about a dozen new bugs arrive in Florida each year.
Construction is underway on the Itaquerao stadium in Sao Paulo, shown here June 12. The stadium will be the venue for the opening ceremony and game of the 2014 FIFA World Cup in Brazil, and many migrants are among the laborers working on the project.
Brazil is in the midst of a building boom as it constructs stadiums across the country in preparation for the World Cup it will host next year. In Sao Paulo, hundreds of workers are building a massive arena that will take many more months to complete.
But not all of the workers are Brazilian.
Marie Eveline Melous, 26, arrived from Haiti just a few months ago because life was so difficult, especially after the huge earthquake in 2010. "It's hard to find work. I came to Brazil to help my situation," she says.
Harry Kaplan practices pitching during Home Run Baseball Camp at Friendship Recreation Center in June. Kaplan's arm is stretched long and toward the ground as his hips are faced away from the catcher. A chimp, in contrast, could never throw a fastball.
The ability to throw a baseball or any object with speed and precision is unique to us humans. And that ability depends on certain features of our anatomy that arose in our ancestors over 2 million years ago, according to a study published in this week's issue of the journal Nature.
Until 1977, Lyme disease was almost unknown. But in the decades since a Yale rheumatologist first described an unusual cluster of arthritis cases in Lyme, Conn., the disease has become the most commonly reported tick-borne illness in the country. Acute symptoms of Lyme disease commonly include a bull's-eye rash followed by flu-like symptoms.
From manufacturing to cupcake sales, companies are finding that machines can often do the job just as well, or better, than humans. But some tasks – like picking and tending to fruit and vegetable crops – have remained the territory of low-wage laborers.
But labor-starved growers are now eying machines with increasing interest.
Some 90 percent of the strawberries and 80 percent of the salad greens grown in the U.S. come from California. These crops and a lot of others have always been picked by hand because they don't ripen all at once and can bruise easily.
China appeared perfectly happy to let Edward Snowden slip away despite a U.S. request for his arrest. Russia appears to enjoy thumbing its nose at Washington as Snowden cools his heels at a Moscow airport. Ecuador is toying with the notion of granting him asylum.