Neuroscience

How does the brain learn?

Everyone knows the human brain is extremely complex—but how does it learn, exactly? Well, the answer may be a lot simpler than commonly believed.

Neuroscience

Novel sensors enable precise measurement of dopamine

Dopamine is an important signaling molecule for nerve cells. Its concentration could not be precisely determined with both high spatial or temporal resolution until now. A new method has now made this possible: A research ...

Diseases, Conditions, Syndromes

A small mutation can make Zika virus even more dangerous

Researchers at La Jolla Institute for Immunology (LJI) have found that Zika virus can mutate to become more infective—and potentially break through pre-existing immunity.

Diseases, Conditions, Syndromes

Weed-killer compounds also kill parasite sometimes found in cat feces

The parasite Toxoplasma gondii infects up to one-third of the human population, experts say. Sometimes transmitted to humans from infected cat feces or litter, the protozoan can cause severe and even deadly illnesses in immunocompromised ...

Diseases, Conditions, Syndromes

The COVID-19 coronavirus epidemic has a natural origin, scientists say

The novel SARS-CoV-2 coronavirus that emerged in the city of Wuhan, China, last year and has since caused a large scale COVID-19 epidemic and spread to more than 70 other countries is the product of natural evolution, according ...

Diseases, Conditions, Syndromes

Macaque model: MERS coronavirus settles deep in lungs

If rhesus macaques are good stand-ins for humans in studying Middle East respiratory syndrome coronavirus (MERS-CoV), the virus prefers the environment deep in the lungs, a finding that may help explain some features of the ...

Diseases, Conditions, Syndromes

Basic disinfectant could halt bird flu spread, study shows

Live poultry markets can act as hotbeds for H5N1 bird flu, but simple measures such as disinfecting trucks, equipment and market space could help stop the virus from spreading, researchers said Monday.

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