The Achilles heel of the coronavirus

Viruses require the resources of an infected cell to replicate and then infect further cells, and transfer to other individuals. One essential step in the viral life cycle is the production of new viral proteins based on ...

Study reveals unique physical, chemical properties of cicada wings

Biological structures sometimes have unique features that engineers would like to copy. For example, many types of insect wings shed water, kill microbes, reflect light in unusual ways and are self-cleaning. While researchers ...

RNA molecule uracil found in asteroid Ryugu samples

Researchers have analyzed samples of the asteroid Ryugu collected by the Japanese Space Agency's Hayabusa2 spacecraft and found uracil, one of the informational units that make up RNA, the molecules that contain the instructions ...

Biochip measures glucose in saliva, not blood

For the 26 million Americans with diabetes, drawing blood is the most prevalent way to check glucose levels. It is invasive and at least minimally painful. Researchers at Brown University are working on a new sensor that ...

How bacteria can survive in acidic, metal rich environments

Acid-loving bacteria thrive in sour, acidic places and can help to dissolve metal. Therefore they are often used for industrial metal extraction. In her doctoral thesis "Growth and Survival of Acidithiobacilli in Acidic, ...

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