A new window into plants of the past

Within the cabinets and drawers of the world's herbaria are nearly 400 million dried plant specimens. These collections have long served as a vital record of what plant species exist on Earth and where they grow. But hidden ...

A simple recipe for MRI contrasts up to four times higher

Magnetic resonance imaging (MRI) makes internal body structures visible. However, before humans or animals are put into the "tube," they are injected with a contrast agent to make visibility possible in the first place.

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