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August 28, 2020

talcum powder. In May 2020, Johnson & Johnson announced that it was discontinuing the sale of baby talc in the United States and Canada

The dark side of talc

The problem is that many times in the mines from which the talc is extracted, asbestos is also found and therefore it may end up in the final product of the talc as well. Johnson & Johnson has stopped marketing baby talc in the US and Canada
Photo: The test site for the exposure of bacteria to space on the outside of the Japanese Kibo module on the International Space Station. The experiment tested between 2015 and 2018 how many years bacteria can survive in space. Photo: JAXA / NASA

Bacteria can survive a journey from Earth to Mars

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A Japanese experiment on the space station looked at how bacteria can survive in space conditions and transfer life from one planet to another.
A single-celled parasite colony feeds inside an animal's cell. From Jumpstory

Things Yorami know: the multicellular conundrum

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Two questions will occupy us in this column, both of which concern the relationship between the whole and its parts. Let's start with Nir's philosophical questioning: in the animal world (fish, reptiles, mammals and birds) we know that all the organs of the body serve the brain, without a brain the rest of the body has no right to exist. But what happens in the plant world? On which part of the tree can it be said that all the other parts serve it?
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