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Lucy had an ape-like brain

Endocranial imprints of Australopithecus afarensis revealed they had an ape-like brain organization. Evidence was also found of protracted brain growth, which suggests infants may have had a longer dependence on caregivers, just like humans. Read More

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Wearing surgical masks in public could help slow COVID-19 pandemic’s advance

Wearing face masks significantly reduced the amounts of airborne virus particles expelled from infected patients. Findings suggest surgical-style face masks could slow the transmission of coronavirus and influenza viruses. Read More

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World’s biggest study of left-handedness

A meta-analysis study reveals at least 10.6% of the world's population is left-handed. Read More

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How important is speech in transmitting coronavirus?

Aerosolized particles produced while speaking may be enough to transmit coronavirus infection by those who are asymptomatic. Read More

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Stress thwarts ability to plan ahead by disrupting how we use memory

Stress generates lower levels of activity in the hippocampus and frontal-parietal lobe networks, hindering the ability to make certain decisions and plan ahead. Read More

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Common vitamin combined with chemotherapy helps immune cells attack glioblastoma

Combining niacin, or vitamin B3, with chemotherapy, helped slow the progression and increase life span in mouse models of glioblastoma. Read More

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Mice make different facial expressions based on emotion

Mouse show different facial expression depending on their emotional state. Using machine learning, researchers were able to link five different emotional states to the facial expressions of mice. Read More

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Drugs considered for Coronavirus can raise risk for dangerous abnormal heart rhythms

Hydroxychloroquine and azithromycin, two drugs touted as potential coronavirus therapeutics, could increase the risk of heart arrhythmias, cardiologists say. Read More

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How T. gondii infection causes seizures, and psychiatric illness for some

Study shows how Toxoplasma parasitic infections promote the loss of inhibitory signaling in the brain by altering the behavior of microglia. Read More

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COVID-19 vaccine candidate shows promise in first peer-reviewed research

A new COVID-19 vaccine produces antibodies specific to SARS-CoV-2 at quantities believed sufficient for neutralizing the virus, a mouse model study reveals. The new vaccine using an innovative microneedle array on fingertip-sized pads, which increases the vaccine potency. Read More

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Lifestyle changes could delay memory problems in old age, depending on our genes

The genes GRB10 and ABTB1 are influential in nutrient-sensing pathways and memory. Researchers say these genes may be the molecular links between diet, neural stem cell aging, and cognitive ability. Read More

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How COVID-19 sheds when symptoms are relatively mild

Study reports viral shedding of SARS-CoV-2 occurs in the upper respiratory tract during early COVID-19 infection when symptoms are mild or hardly noticeable. Read More

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