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Reconstruction of Deinocheirus mirificus.

Reconstruction of Deinocheirus mirificus. Yuong-Nam Lee/Korea Institute of Geoscience and Mineral Resources hide caption

itoggle caption Yuong-Nam Lee/Korea Institute of Geoscience and Mineral Resources

Science

Bigger Than A T. Rex, With A Duck's Bill, Huge Arms And A Hump

Scientists first figured the claw-tipped, giant arm bones found in 1965 belonged to an ostrichlike dinosaur. But its recently recovered skull looks more like a dino designed by a committee — of kids.

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A puppy waits at an adoption event in Miami last year. The city is now considering a ban on the sale of puppies in retail pet stores. Cities and towns in several states have passed similar bans, aimed at cracking down on substandard, large-scale puppy breeders.

A puppy waits at an adoption event in Miami last year. The city is now considering a ban on the sale of puppies in retail pet stores. Cities and towns in several states have passed similar bans, aimed at cracking down on substandard, large-scale puppy breeders. Wilfredo Lee/AP hide caption

itoggle caption Wilfredo Lee/AP

Around the Nation

In More Cities, That Doggie In The Window Is Not For Sale

Almost 50 U.S. cities and towns have banned pet stores from selling puppies. The laws are aimed at cracking down on substandard, large-scale breeders, but many store owners say the bans are unfair.

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P22, a 4-year-old male mountain lion known as the "Hollywood Lion," is known to traverse the hills in and around Los Angeles. He is seen here recaptured by the National Park Service in March after being exposed to rat poison.

P22, a 4-year-old male mountain lion known as the "Hollywood Lion," is known to traverse the hills in and around Los Angeles. He is seen here recaptured by the National Park Service in March after being exposed to rat poison. AP Photo/National Park Service hide caption

itoggle caption AP Photo/National Park Service

Around the Nation

Why Did The Mountain Lion Cross The Freeway? To Breed

The 101 Freeway slices right through the wilderness in and around Los Angeles, separating local mountain lion populations. To mate and avoid inbreeding, the animals must risk the dangerous crossing.

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It's a bull market for cattle: prices are climbing across the U.S. In Tulsa, Okla., stockyards reported selling 4,500 head of cattle at record prices in a single day's sale last week.

It's a bull market for cattle: prices are climbing across the U.S. In Tulsa, Okla., stockyards reported selling 4,500 head of cattle at record prices in a single day's sale last week. Charles Osgood/AP hide caption

itoggle caption Charles Osgood/AP

Around the Nation

As Cattle Prices Climb, Ranchers Watch Out For Bovine Thievery

Across the U.S., cattle prices are at record highs. So ranchers and special rangers are working to protect herds from cattle rustlers — thieves looking to sell off stolen animals at auction.

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In the northwestern United States, this crayfish would be just a friendly bit of local fauna. But in Scotland, it's an invasive species wreaking havoc on trout streams.

In the northwestern United States, this crayfish would be just a friendly bit of local fauna. But in Scotland, it's an invasive species wreaking havoc on trout streams. Ari Shapiro/NPR hide caption

itoggle caption Ari Shapiro/NPR

American Intruder Lurks In Scottish Streams, Clawed And Hungry

Scotland has some of the best trout fishing in the world. Now the North American signal crayfish is taking over waterways, threatening to wipe out native populations of insects those trout eat.

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