Were Neanderthal men the Romeos of the prehistoric world?

When ancient humans interbred, new research shows that the pairings were predominantly male Neanderthals and female Homo ...

Humans and Neanderthals interbred — but it was mostly male Neanderthals and female humans who coupled up, study finds

A preference for pairings between male Neanderthals and female Homo sapiens may answer the question of why there are "Neanderthal deserts" in human chromosomes.
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Probiotics and prebiotics restore appetite control in mice raised on unhealthy diets

Consuming a diet heavy in fat and sugar during childhood can permanently alter how the brain regulates appetite later in life ...

A simple energy molecule gives female mice a memory boost

A team of scientists from the U.S. has discovered that acetate, a simple molecule involved in how our bodies create energy, can significantly increase long-term memory in female mice. The researchers ...
Nature

This compound enhances long-term memory of mice — but only in females

Specifically, the team found changes in the histone variant H2A.Z, which has been previously linked to long-term memory. Acetate also increased the expression of genes linked to learning in the female ...

Susan Leeman, 95, Dies; Explored How the Brain Influences the Body

In an era of overt sexism in the sciences, she made two major discoveries, including identifying a chemical signal in the ...