Ecology

What is earwax for and why AAO ear doctors advise against using a cotton swab to remove it

What is earwax for and why AAO ear doctors advise against using a cotton swab to remove it

How many times have we found ourselves cleaning our ears and wondering what that yellowish waxy substance that accumulates in the ear canal is for? Earwax or earwax in English from a chemical point of view it contains lipids, proteins and other chemical compounds. It is often perceived as something unpleasant that should be eliminated as soon as possible. Yet ...

Why the new NASA suits for the Artemis II astronauts are orange and not white

Why the new NASA suits for the Artemis II astronauts are orange and not white

The four Artemis II astronauts in their orange suits. Credit: NASA In the photos of the mission Artemis IIone thing immediately catches the eye: the orange overalls of the four astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen. In the collective imagination – fueled by the Apollo missions, spacewalks on the International Space Station and countless science fiction ...

Earthquake in Indonesia of magnitude 7.3, epicenter in the Molucca Sea: tsunami warning lifted

Earthquake in Indonesia of magnitude 7.3, epicenter in the Molucca Sea: tsunami warning lifted

Earthquake in Indonesia measuring 7.3, tsunami warning lifted. A strong one earthquake Of magnitude 7.3 hit Indonesia, today 02 April, at 00:48 (Italian time, 06:48 on April 2 local time). According to what was recorded by INGV, the epicenter was located in Molucca Seaabout 126 km from the island of Ternate. The hypocenter, however, was detected at 53 km deep. ...

What is ricin and how does the lethal castor toxin work

What is ricin and how does the lethal castor toxin work

There ricin It is one of the most toxic natural substances currently known. It is contained in the castor seeds (Ricinus communis), an extremely common plant often grown in gardens for ornamental purposes. Once inhaled, ingested or injected into the body, the toxin penetrates cells and irreversibly blocks their protein synthesisleading to their death. Although thepoisoning be an event rarethe ...

What we will see with Artemis II: the flight plan and phases of the crewed NASA lunar mission

What we will see with Artemis II: the flight plan and phases of the crewed NASA lunar mission

It’s getting closer and closer to the first launch opportunity of the mission’s April window Artemis II scheduled for 00:24 in the morning (Italian time) on April 2nd. As per protocol, the astronauts have already been inside for several days forty to minimize the risk of infection or disease that could compromise the launch. Quarantine is one of the preparatory ...