DNA from sediment reveals epic history of Denisova Cave

In a landmark study, scientists from Australia, Germany and Russia have used ancient DNA recovered from sediment samples from Denisova Cave in Siberia to reveal a detailed occupational history of this unique site by three ...

How retroviruses become infectious

Understanding every step in the life cycle of a virus is crucial for identifying potential targets for treatment. Now, scientists at the Institute of Science and Technology (IST) Austria were able to show how a virus from ...

Weedy Seadragon genomics reveal highly distinct populations

Charismatic, iconic and Instagram-friendly, the weedy seadragon is a favorite with divers and snorkellers. The first genomic study of east coast Australian seadragon populations can now reveal "weedies" from NSW, Victoria ...

Captive-bred salmon in wild may do more harm than good

Releasing captive-bred Atlantic salmon into the ocean, a long-standing practice to boost stocks for commercial fishing, reduces the rate at which wild populations reproduce and may ultimately do more harm than good, researchers ...

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