Cell types in the eye have ancient evolutionary origins

Karthik Shekhar and his colleagues raised a few eyebrows as they collected cow and pig eyes from Boston butchers, but those eyes—eventually from 17 separate species, including humans—are providing insights into the evolution ...

3-D model shows bacterial motor in action

Nagoya University scientists in Japan and colleagues at Yale University in the US have uncovered details of how the bacterial propeller, known as the flagellum, switches between counterclockwise and clockwise rotation, allowing ...

Impacts of floods and droughts increasing worldwide

Risk management has reduced the vulnerability to floods and droughts around the world, but their impact is still increasing worldwide, according to a study published in the journal Nature, which includes the participation ...

Coffee tree genome sequenced

In the study published in Science, the researchers were interested in Robusta coffee because of its average sized genome (710 million pairs of DNA bases) and its diploid nature (contrary to Coffea arabica, which is tetraploid). ...

Researcher detect a Roman-period cranial tumor case

A multidisciplinary team at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has published a paper in the journal Virtual Archaeology Review on a Roman-period meningioma (cranial tumor) found in a ...

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