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Physiology

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The Brain Has a ‘Low-Power Mode’ That Blunts Our Senses

June 14, 2022

Neuroscientists uncovered an energy-saving mode in vision-system neurons that works at the cost of being able to see fine-grained details.

What Happens When We Give Animals Our Diseases?

April 27, 2022

While it’s understandable to focus on the diseases affecting humans, it’s important to study how our illnesses may affect animals.

Will We Ever Get Rid of COVID-19?

November 30, 2021

No matter how much we’d like to eradicate SARS-CoV-2, it may be better to settle for other forms of control.

How ‘Long COVID’ Keeps Us Sick

July 1, 2021

Other diseases with long-term symptoms can help us understand how COVID can affect us long after the virus itself is gone.

Sleep Evolved Before Brains. Hydras Are Living Proof.

May 18, 2021

Studies of sleep are usually neurological. But some of nature’s simplest animals suggest that sleep evolved for metabolic reasons, long before brains even existed.

How to Understand COVID-19 Variants and Their Effects on Vaccines

February 25, 2021

Researchers are tracking the different strains of SARS-CoV-2 and studying how they spread through our population and our bodies.

Mitochondria May Hold Keys to Anxiety and Mental Health

August 10, 2020

Research hints that the energy-generating organelles of cells may play a surprisingly pivotal role in mediating anxiety and depression.

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.

Males Are the Taller Sex. Estrogen, Not Fights for Mates, May Be Why.

June 8, 2020

To explain why men are on average taller than women, scientists theorized about competition for mates. But the effects of estrogen on bone growth may be answer enough.

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