Tuesday, November 14, 2023

Evolution of taste: Early sharks were able to perceive bitter substances

New genetic data show that humans and sharks share bitter taste receptors, even though their evolutionary pathways separated nearly 500 million years ago.

from Latest Science News -- ScienceDaily https://ift.tt/ze6JK0Z
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Forget LASIK: Safer, cheaper vision correction without lasers or incisions

Scientists are developing a possible alternative to LASIK that reshapes the cornea without cutting it or using a laser. The technique uses a...