biology

These Nanobots Can Swim Around a Wound and Kill Bacteria
Technology

These Nanobots Can Swim Round a Wound and Kill Micro organism

Subsequent, they proved that the bots may swim. In take a look at tubes containing urea, the microbots reached speeds of as much as 4 micrometers per second—“one or two physique lengths per second,” says Sánchez. (People additionally swim round one body-length per second.) Then it was time to point out that the bots may […]

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A Brain Chemical Helps Neurons Know When to Start a Movement
Technology

A Mind Chemical Helps Neurons Know When to Begin a Motion

By washing by way of the mind, neuromodulators “assist you to govern the excitability of a big area of the mind roughly in the identical method or on the identical time,” stated Eve Marder, a neuroscientist at Brandeis College well known for her pioneering research on neuromodulators within the late Nineteen Eighties. “You’re principally creating […]

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The Queen Conch’s Gambit
Technology

The Queen Conch’s Gambit

Archaeologists don’t know exactly how many Taíno survived the enslavement, massacres, and diseases that marked the following centuries—though genetic sampling reveals significant Indigenous ancestry in contemporary Puerto Rico. But Taíno stories and artifacts stress the importance of conchs: in their fishing and diving traditions; in the infinite piles of conch they harvested, ate, and honed […]

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