National

If you're interested in getting your child or teen to keep reading during a hot, long, lazy vacation, offer them these cool summer books. Librarian Nancy Pearl's picks all have great first lines, three-dimensional characters and strong finishes.

The world's second oldest profession? Tomb raiding. To combat the problem, American dealers and museums increasingly require a paper trail documenting a relic's ownership, but looters are just taking their business to Japan and Europe.

The world's second oldest profession? Tomb raiding. To combat the problem, American dealers and museums increasingly require a paper trail documenting a relic's ownership, but looters are just taking their business to Japan and Europe.

In archaeological sites throughout the world, antiquities are plundered for sale. U.S. agents says the looting is epidemic. One archaeologist working in Guatemala has launched a battle to save an ancient city from looters.

In archaeological sites throughout the world, antiquities are plundered for sale. U.S. agents says the looting is epidemic. One archaeologist working in Guatemala has launched a battle to save an ancient city from looters.

Journalist Charlie Savage of the Boston Globe just won a Pulitzer Prize for national-affairs reporting. In an April 2006 article, he detailed how often President Bush has used "signing statements" to assert the right to bypass provisions of new laws; Savage's article prompted Sen. Arlen Specter (R-PA) to call for hearings investigating the matter. Rebroadcast from May 9, 2006.

It's not easy to track down one of the fastest and rarest great cats in the world. But one biologist is working to attach radio collars to cheetahs living in remote areas of Iran. With fewer than 100 of the animals left, they are among the most imperiled great cats on Earth.

It's not easy to track down one of the fastest and rarest great cats in the world. But one biologist is working to attach radio collars to cheetahs living in remote areas of Iran. With fewer than 100 of the animals left, they are among the most imperiled great cats on Earth.

Biologist George Schaller is the first to survey wildlife in Tibet's remote Chang Tang reserve in the winter. Schaller spoke with Alex Chadwick about some surprising findings from his 1,000-mile journey.

Biologist George Schaller is the first to survey wildlife in Tibet's remote Chang Tang reserve in the winter. Schaller spoke with Alex Chadwick about some surprising findings from his 1,000-mile journey.