Which animal males can pretend to be females? Detailed answer

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Which animal males can pretend to be females? Detailed answer

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Which animal males can pretend to be females?

Some male Australian giant cuttlefish masquerade as females in order to approach and mate with a real female cuttlefish guarded by a large dominant male.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

Why does iron rust?

If you leave any iron object in a damp and damp place for several days, it will rust, as if it had been painted with reddish paint.

What is rust? Why does it form on iron and steel objects? Rust is iron oxide. It is formed as a result of the "combustion" of iron when combined with oxygen dissolved in water.

This means that in the absence of moisture and water in the air, there is no oxygen dissolved in water at all and rust does not form.

If a raindrop falls on a shiny iron surface, it remains transparent for a short period of time. Iron and oxygen in the water begin to interact and form an oxide, that is, rust, inside the drop. The water becomes reddish and the rust floats in the water as small particles. When the drop evaporates, rust remains, forming a reddish layer on the surface of the iron.

If rust has already appeared, it will grow in dry air. This is because the porous rust patch absorbs the moisture in the air - it attracts and holds it. This is why it is easier to prevent rust than to stop it once it has appeared. The problem of rust prevention is very important, since iron and steel products must be stored for a long time. Sometimes they are covered with a layer of paint or plastic. What would you do to keep warships from rusting when not in use? This problem is solved with the help of moisture absorbers. Such mechanisms replace moist air in compartments with dry air. Rust in such conditions can not appear!

Test your knowledge! Did you know...

▪ What is the largest railway station in the world?

▪ Where can you ride the underground trolleybus?

▪ What could the 1912 automaton, considered the world's first computer game, do?

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Large Hadron Collider closed for renovation 10.12.2018

The world's most powerful particle accelerator has closed for two years for updates. Located at the CERN Particle Physics Laboratory in Geneva, the accelerator has smashed about 16 million billion protons since 2015, when it reached its current energy level of 13 trillion electron volts. Planned improvements before rebooting the machine in 2021 will increase the energy to 14 trillion electron volts, the energy it was originally designed to achieve.

While conducting lower-energy collisions in 2009-2013, researchers discovered the elusive Higgs boson, filling in the last missing sample of the Standard Model of particle physics.

Planned machine adjustments will also set the stage for a new incarnation of the collider in the future, the High Luminosity LHC. This update should be ready by 2026. It is expected to increase the rate of proton smashing by at least five times.

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