Fish fins can sense touch

The human fingertip is a finely tuned sensory machine, and even slight touches convey a great deal of information about our physical environment. It turns out, some fish use their pectoral fins in pretty much the same way. ...

How skates and rays got their wings

The evolution of the striking, wing-like pectoral fins of skates and rays relied on repurposed genes, according to new research by scientists from the University of Chicago. Studying embryonic skates, they discovered that ...

Bacterial circadian clocks set by metabolism, not light

Most organisms on Earth, from bacteria to humans, possesses a circadian clock—a biological mechanism that synchronizes activities such as rest or growth to daily changes in a 24-hour day. Although commonly thought to be ...

Team engineers designer proteins that control enzyme activity

Scientists from the University of Chicago have developed a novel approach to control the activity of enzymes through the use of synthetic, antibody-like proteins known as monobodies. A team led by Shohei Koide, PhD, professor ...

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