1) Some people saw a UFO in the sky above London last night.
A UFO in the sky above London was seen by some people last night.
2) They reported it to the police.
The police was reported about it.
3) The army sent a helicopter to look at it more closely.
A helicopter was sent by the army to look at it more closely.
4) The UFO shot the helicopter down and killed both men in it.
The helicopter was shot down by the UFO and both men in the helicopter were killed.
5) People have given photographs of the UFO to the police.
The police have been given some photographs of the UFO by the people.
6) Experts are looking at them now.
They are looking by experts now.
1. the poincaré conjecture.
in 2002, the russian mathematician grigori perelman proved the poincaré conjecture. this is a very serious discovery in mathematics. it was one of the seven tasks of the millennium. for this work, he received the prestigious fields medal, an analogue of the nobel prize in mathematics.
2. quantum clock.
quantum clocks are the most accurate chronometer in the world, surpassing all previously existing ones. nobel laureates of 2012 serge arosh and david wineland made a discovery that allowed to overcome the quantum barrier.
3. the discovery of eris.
the eris is the second after the massive pluto massive dwarf planet of the solar system. it was the discovery of eris from pluto that ceased to be the ninth planet, and passed into the category of "dwarf".
4. created the first synthetic bacterial cell.
in 2010, scientists from the craig venter institute created the first fully synthetic chromosome with the genome. when it was embedded in a bacterial cell devoid of genetic material, it began to function and divide according to the laws prescribed by the new genome.
5. higgs boson.
this was experimental evidence of the existence of the higgs boson. the practical significance of the discovery of the higgs boson is that scientists are opening up prospects for the development of anti-gravity and the development of engines that do not require energy to operate.
