During the Spanish-American War in 1898, WHO need to lift the U.S. warship from the Pacific to the Atlantic. That's what became the decisive argument in favor of ... What?
Construction of the Panama Canal.

What purpose American botany and micro biologists from the University of Alabama with the help of gene engineering Noah entered into the bacterium which causes black rot stretch of DNA of one of the luminous microorganisms?
To make it easier to identify infected plants.

10 thousand people use, bred and studied these animals. But the man himself to have an eye is called outside perception. According to biologist R. Chauvin, they are not even aware of the existence of people, because vision they have arranged in such a way that allows one to distinguish only vague outlines of nearby objects. So who are these ignorant?
Bees.

At some lakes in Latin America lived rare endemics (only residents of a local STI) - a bird-toadstools. Lacking natural enemies, they have lost the ability to fly. To ensure their food, scientists had kindled in these lakes salmon. As a result of this charity endemics disappeared altogether. Why?
Predator-salmon devoured their young.

In one of the museums in the UK is stored hide animal, which has helped to save mankind. Whose skin?
Cow (it is the vaccine against smallpox).

The British Army in World War sting of a cat corps, who saved the lives of many soldiers. How?
In time discovered a gas attack.

Scientists at Nottingham University in England, launched a project entitled " Frozen Ark". What is its essence?
In the freezing of specimens of endangered animals to clone them in the future (according to these scientists governmental, Earth entered a 6-th phase of extinction of animals and soon, after 25 years, we lose up to 25% of animals, terrestrial water, shellfish, and up to 10 % of birds).

In the natural gas that runs on gas pipelines, Ricans add deodorant having the smell of rotten meat. Which feature of the local fauna, they set themselves to the service?
Detects gas leakage from free-range vultures.

The scientists found that vessels with underwater part in the form of galoshes in the best hydrodynamics characteristics. And who is "prompted" them with this form?
Whales (sperm whales).



Archaeologists have put forward a guess: Sometimes, the ancient people so put on the tree branches stones drilled with holes. What they cut from these trees after ca some time?
Axes (axes, hammers).

American breeders brought variety of sorghum, corn which seated long barbed awns. What is the advantage of sorghum?
Its quite pecking birds.

A man uses an atom, creating nuclear power plants with different purposes: in Kurchatov and Chernobyl - to generate electricity, in Dubna - for scientific experiments. And why there is nuclear power plant on the peninsula Mangyshlak on the Caspian Sea?
Desalination.