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Once plants really got a foothold, they transformed our planet. Albert Fertl/Moment via Getty Images

What was the very first plant in the world?

Plants changed the atmosphere, built soil and created ecosystems that allowed animals like us to thrive. But first they had to make their way from the water to the land.
Discrimination in the form of microaggressions, slights and overt racism take a toll on the body, including neural activity in the brain. LeoPatrizi/E+ via Getty Images

Racism and discrimination lead to faster aging through brain network changes, new study finds

Black women who are more frequently exposed to racism showed stronger connections in areas of the brain involved in rumination and heightened vigilance, both of which lead to faster biological aging.
Coping with everyday affronts comes at a cost and requires a certain level of emotional suppression. RyanJLane/E+ via Getty Images

Racism produces subtle brain changes that lead to increased disease risk in Black populations

Racial threats and slights take a toll on health, but the continual invalidation and questioning of whether those so-called microaggressions exist has an even more insidious effect, research shows.

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