Diseases, Conditions, Syndromes

Malaria parasite ticks to its own internal clock

When a person gets malaria, a rhythmic dance takes place inside their body. The disease's telltale signs—cyclical fevers and chills—are caused by successive broods of parasites multiplying in sync inside red blood cells, ...

Neuroscience

Neurons constantly rewrite their DNA

Johns Hopkins scientists have discovered that neurons are risk takers: They use minor "DNA surgeries" to toggle their activity levels all day, every day. Since these activity levels are important in learning, memory and brain ...

Other

Testes size correlates with men's involvement in toddler care

Men with smaller testes than others are more likely to be involved in hands-on care of their toddlers, a new study conducted by anthropologists at Emory University finds. The Proceedings of the National Academy of Sciences ...

Neuroscience

Rats' and bats' brains work differently on the move

A new study of brain rhythms in bats and rats challenges a widely used model - based on studies in rodents - of how animals navigate their environment. To get a clearer picture of the processes at work in the mammal brain ...

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