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PHOTO: Shark Cruises Florida Beach

NPR's Russell Lewis got quite a view from the beach Monday as a hammerhead cruised among swimmers. Check the picture he snapped.

Are Antibiotics On The Farm Risky Business?

Farmers give antibiotics routinely to pigs, beef cattle and poultry. They say the drugs help keep animals healthy and get them to market faster. Others say this practice practically guarantees that bacteria will develop resistance to these antibiotics more quickly, endangering human lives and the long-term viability of the drugs.

Hipsters Off The Hook: The Truth Behind Abandoned Backyard Chickens

Unwanted chicks are filling up some city shelters around the country, and some activists are blaming fair-weather hipster farmers. But a closer look reveals another root cause: When urban farmers order hens, they often end up instead with roosters — illegal in many cities.

Giant Python Snakes His Way Into Thrift Shop

A break-in at the store had Australian police stumped. There was a hole in the ceiling and smashed merchandise but nothing was missing. The next day the intruder was found still inside the store. The python was 19 feet long and weighed 37 pounds.

Saving One Species At The Expense Of Another

In Montana's Centennial Valley, conservationists made a grievous mistake while trying to save the trumpeter swan — they nearly wiped out Arctic grayling trout. Now they're looking for ways to make sure both species get a place on the ark.

In Montana Wilds, An Unlikely Alliance To Save The Sage Grouse

The chicken-size sage grouse is as much a part of America's Western range as antelopes and cowboys. The birds nest beneath sagebrush, and as it disappears, so do the grouse. Biologists hope to protect the bird without starting a 21st century range war.

Harmful Parasites In Cat Poop Are Widespread

A parasite that plays a role in a range of human illnesses may be more common than you thought. More than a million cats in the U.S. are thought to be spreading the parasite.

Big Old Alaskan Fish Turns Out To Be Just Big, Not Old

A nearly 40-pound rockfish caught off the southwest coast of Alaska was thought to be nearly 200 years old. The answer lay in the watery beast's ear bones, which were examined in a lab in Juneau, Alaska. Robert Siegel and Audie Cornish have more.
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Officials Warn Of Bacterial Outbreaks From Turtle Derbies

Natural resources officials say only pet turtles should be used in the annual races.


Radiocarbon Clues Help Track Down Poached Elephant Ivory

Nuclear bomb tests in the 1950s and '60s pumped a lot of radiocarbon into the atmosphere. It went everywhere, including into plants that elephants eat. By measuring the levels of this carbon in elephant tusks, scientists can tell when an elephant died — and whether the ivory is being traded illegally.