17 小时on MSN
The object was just west of U.S. 17 and south of Harbor Road, heading southeast. The black object made no noise and slowly spun and changed shapes.
A growing body of work suggests that cell metabolism — the chemical reactions that provide energy and building materials — ...
When we move, it's harder for existing wearable devices to accurately track our heart activity. But researchers found that a starfish's five-arm shape helps solve this problem. Inspired by how a ...
The study indicates that mental health professionals should consider routine inquiries about screen time and technology ...
11 天on MSN
People who regularly engage in significant amounts of exercise, as endurance athletes do, may develop enlarged hearts. While ...
The researchers used high-speed cameras to track the hand motion, air flow and sound of 10 volunteers clapping, measuring the different frequencies when the size and shape of the cavity between ...
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