The skin of the earth is home to pac-man-like protists

Pac-Man, the open-mouthed face of the most successful arcade game ever, is much more well-known than any of the one-celled organisms called protists, at least among people over 30. But the first study to characterize protists ...

First mushrooms appeared earlier than previously thought

According to a new study led by Steeve Bonneville from the Université libre de Bruxelles, the first mushrooms evolved on Earth between 715 and 810 million years ago, 300 million years earlier than the scientific community ...

Male sparrows are less intimidated by the songs of aging rivals

Few singers reach their sunset years with the same voice they had in younger days. Singing sparrows are no different. Duke University-led research reveals that elderly swamp sparrows don't sound quite like they used to—nor ...

Vomiting bumblebees show that sweeter is not necessarily better

Animal pollinators support the production of three-quarters of the world's food crops, and many flowers produce nectar to reward the pollinators. A new study using bumblebees has found that the sweetest nectar is not necessarily ...

Walking sharks discovered in the tropics

Four new species of tropical sharks that use their fins to walk are causing a stir in waters off northern Australia and New Guinea.

Insecticides becoming more toxic to honey bees

During the past 20 years, insecticides applied to U.S. agricultural landscapes have become significantly more toxic—over 120-fold in some midwestern states—to honey bees when ingested, according to a team of researchers, ...

Mayfly populations falling fast in North America

A team of researchers from the University of Oklahoma, Virginia Tech and the University of Notre Dame has found that populations of mayflies in parts of North America have fallen dramatically in recent years. In their paper ...

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