Homo erectus hand ax found in East Africa

A team of researchers from Japan, Hong Kong and Ethiopia has found a hand ax that they believe was made by a possibly direct human ancestor in what is now modern Ethiopia. In their paper published in Proceedings of the National ...

Video: How does alcohol kill coronavirus?

How does alcohol kill this virus? With the onset of the COVID-19 pandemic, alcohol-based hand sanitizer became a much-sought item by hospitals and the general public alike for its ability to inactivate the coronavirus.

Heavy use of hand sanitizer boosts antimicrobial resistance

Since the start of the coronavirus pandemic, scientists and governments have been advising people about the best hygiene practices to protect themselves. This advice has caused a significant surge in the sale and use of cleaning ...

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