Study finds that eDNA can help detect rainbow smelt

Searun rainbow smelt—a culturally and ecologically valuable fish for New England anglers, consumers and marine ecosystems—is on the decline. Determining the extent of that decline, however, is difficult in Maine. Searun ...

DNA detector exposes hidden Antarctic krill

Like forensic investigators, scientists can use molecular techniques to detect evidence of Antarctic krill in seawater samples collected in the Southern Ocean. The revolutionary technology can identify Antarctic krill DNA ...

Rewilding the guts of rescued lemurs

Modern life messes with the microbiome, the trillions of bacteria and other microbes that live inside the body. Could reconnecting with nature bring this internal ecosystem back into balance?

Oldest DNA reveals life in Greenland two million years ago

Scientists discovered the oldest known DNA and used it to reveal what life was like 2 million years ago in the northern tip of Greenland. Today, it's a barren Arctic desert, but back then it was a lush landscape of trees ...

Hybrid songbirds found more often in human-altered environments

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new University of Colorado Boulder ...

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