Genetics

We each live in our own little world—smellwise

There are some smells we all find revolting. But toward a handful of odors, different people display different sensitivities—some can smell them, while some can't, or some find them appealing, while others don't. A pair ...

Genetics

1,092 genomes and counting

Focusing on fine features in order to see "the big picture" seems almost counterintuitive, but that is exactly what is happening in the field of genomics. Researchers are sequencing human genomes, cataloging the variation ...

Psychology & Psychiatry

Genetic marker may predict smoking quantity in African Americans

In a step toward understanding possible genetic differences in smoking behaviors, a team of researchers co-led by SRI International has identified a genetic marker associated with smoking quantity in people of African ancestry. ...

Medical research

'Promiscuous parasites' hijack host immune cells

Toxoplasma gondii parasites can invade your bloodstream, break into your brain and prompt behavioral changes from recklessness to neuroticism. These highly contagious protozoa infect more than half the world's population, ...

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