ultrasound

Cracking the code to brain cancer treatment might start with cracking the brain’s protective shield. Nearly impenetrable walls of jam-packed cells line most of the brain’s blood vessels. Although this blood-brain barrier protects the…
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The tissues of living trees may hold the secrets of why some can recover after drought and others die. But those tissues are challenging to assess in mature forests. After all, 90-year-old trees can’t travel to the lab to get an imaging…
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How do you know if the world’s largest living fish is expecting babies? Not by her bulging belly, it turns out. Scientists thought that an enlarged area on the undersides of female whale sharks was a sign of pregnancy. But a technique…
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