Scientists tease DNA from eggshell of extinct birds

(PhysOrg.com) -- In a world first, scientists in Australia announced on Wednesday they had extracted DNA from the fossilised eggshells of extinct birds, including iconic giants such as the moa and elephant bird.

New Method Tests Severity of Key Citrus Virus

(PhysOrg.com) -- A new rapid way to test severity of the devastating citrus tristeza virus (CTV) in citrus trees has been developed by Agricultural Research Service (ARS) scientists in Parlier, Calif. The results of this ...

Test Detects Insect Carriers of Citrus Greening Disease

(PhysOrg.com) -- With their pleasing flavor, cheerful color, and health-imparting dose of vitamin C, it's not surprising that oranges are one of America's Top 10 favorite fruits. But some of the nation's citrus groves are ...

Catching a killer one spore at a time

A workshop at the Smithsonian Tropical Research Institute in Panama has dramatically improved the ability of conservationists and regulatory agencies to monitor the spread of chytridiomycosis—one of the deadliest frog diseases ...

Monitoring Cancer Cell Changes With Quantum Dots

One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...

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