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Biology

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Why Are Plants Green? To Reduce the Noise in Photosynthesis.

July 30, 2020

Plants ignore the most energy-rich part of sunlight because stability matters more than efficiency, according to a new model of photosynthesis.

Our Genes May Explain Severity of COVID-19 and Other Infections

July 27, 2020

Researchers are examining the power of subtle genetic weaknesses in the immune system to affect the severity of infectious diseases, including COVID-19.

Q&A

He Found ‘Islands of Fertility’ Beneath Antarctica’s Ice

July 20, 2020

John Priscu’s search for life that thrives under ice took him to subglacial lakes at the South Pole. Now he has his eye on Mars and Europa.

What Is an Individual? Biology Seeks Clues in Information Theory.

July 16, 2020

To recognize strange extraterrestrial life and solve biological mysteries on this planet, scientists are searching for an objective definition for life’s basic units.

How Your Heart Influences What You Perceive and Fear

July 6, 2020

The heartbeat and other bodily processes play a surprising role in shaping perception and cognition.

The Tricky Math of Herd Immunity for COVID-19

June 30, 2020

Herd immunity differs from place to place, and many factors influence how it’s calculated.

Cosmic Rays May Explain Life’s Bias for Right-Handed DNA

June 29, 2020

Cosmic rays may have given right-handed genetic helixes an evolutionary edge at the beginning of life’s history.

Why South Asia’s COVID-19 Numbers Are So Low (For Now)

June 23, 2020

Many theories have been offered for why the official COVID-19 toll on the Indian subcontinent has been surprisingly low. The best explanation may be the shortage of good, timely data.

Random Search Wired Into Animals May Help Them Hunt

June 11, 2020

The nervous systems of foraging and predatory animals may prompt them to move along a special kind of random path called a Lévy walk to find food efficiently when no clues are available.

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