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Friday

DNA Tracking Of Ivory Helps Biologists Find Poaching Hotspots

A Maasai boy and his dog, near the skeleton of an elephant killed by poachers outside of Arusha, Tanzania, in 2013. Jason Straziuso/AP hide caption

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Jason Straziuso/AP

Science

DNA Tracking Of Ivory Helps Biologists Find Poaching Hotspots

To stop elephant slaughter in Africa, zoologist Sam Wasser spent years extracting DNA from elephant dung and tissue. Much of the world's poached ivory, he discovered, comes from just two hotspots.

DNA Tracking Of Ivory Helps Biologists Find Poaching Hotspots

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Thursday

Family Of Unaccounted For USS Oklahoma Sailor Wouldn't 'Let Him Go'

Edwin Hopkins with his mother, Alice, and father, Frank Jr. Hopkins was killed aboard the USS Oklahoma during the Japanese bombing of Pearl Harbor, but his remains never were identified. Courtesy Tom Gray hide caption

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Courtesy Tom Gray

History

Family Of Unaccounted For USS Oklahoma Sailor Wouldn't 'Let Him Go'

Edwin Hopkins was on the USS Oklahoma when it was attacked in Pearl Harbor, and was one of hundreds buried as an unknown. His family is grateful for the decision to try to ID some of the remains.

Family Of Unaccounted For USS Oklahoma Sailor Wouldn't 'Let Him Go'

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Wednesday

DNA Evidence Frees Illinois Man Convicted Of Rape, Murder In 1984

Christopher Abernathy (center) is released from the Stateville Correctional Center on Wednesday in Crest Hill, Ill. Terrence Antonio James/TNS /Landov hide caption

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Terrence Antonio James/TNS /Landov

The Two-Way

DNA Evidence Frees Illinois Man Convicted Of Rape, Murder In 1984

A judge agreed to vacate Christopher Abernathy's 1987 conviction in the killing of a 15-year-old girl after a request from the prosecutor. Abernathy, now 48, spent nearly 30 years in prison.