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Toxic plant on Ming dynasty-era surgical tools may be world’s oldest chemical evidence of topical anesthetic - Live Science

2 ore în urmă
50 secunde min
Maria Simionescu
An analysis of residue on centuries-old surgical tools reveals the use of a toxic anesthetic in Ming dynasty-era Chinese medicine. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sampled surgical instruments and a close-up of the residue found on each. (Image credit: © Ling et al., Antiquity; (CC BY 4.0)) Copy link Facebook X Reddit Pinterest Flipboard Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter
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The human brain accounts for about two per cent of body weight and consumes about twenty per cent of the body's total energy every day — and that consumption barely changes whether you are solving differential equations or staring at a wall - Space Daily

The number that gets repeated in pop-science columns is the 2/20 split (that the brain is 2% of body weight but consumes 20% of energy) — a small organ, enormous appetite — and I think it's fair to suggest that many… By Mal James · Editorial process The number that gets repeated in pop-science columns is the 2/20 split (that the brain is 2% of body weight but consumes 20% of energy) — a small organ, enormous appetite — and I think it’s fair to suggest that many people are led to believe that “thinking” is hard work.

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Stray cat tests positive for rabies after biting man - WJAR

A stray cat in Burrillville has tested positive for rabies after biting a person in the area of Whipple Road, according to the Rhode Island Department of Health. The cat reportedly tested positive for rabies on May 22.

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