When the biotech company Humacyte designed a study to see if its lab-grown blood vessel worked, it decided to measure whether blood was flowing freely through the high-tech tube 30 days after it was implanted in a person. As those days passed, some of the 54 patients in the study ran into trouble. Doctors lost track of one. Four died. …
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Snakes like these are giants. Black mambas can stretch to 14 feet, and the longest king cobra ever recorded was 19 feet. Puff adders are petite by contrast, as short as six inches and no longer than six feet, but very thick. They have long, retractable fangs that can deliver poison into muscle. Their venom destroys blood-clotting factors, and victims …
Read More »
Snakes like these are giants. Black mambas can stretch to 14 feet, and the longest king cobra ever recorded was 19 feet. Puff adders are petite by contrast, as short as six inches and no longer than six feet, but very thick. They have long, retractable fangs that can deliver poison into muscle. Their venom destroys blood-clotting factors, and victims …
Read More »
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