The main reason is that bacteria can develop resistance to antibiotics due to natural selection. The cells survived from antibiotics will reproduce, and produce more resistant bacteria with strains. Therefore, it is important to not over-use antibiotics,... (read more)

Antibiotics are used to stop bacteria growing or kill them. Several common antibiotics have been developed and used in the... (read more)

The idea of vaccination is to stimulate white blood cells to produce antibodies or antitoxins against the pathogen.... (read more)

White blood cells are very important in terms of fighting viruses or bacteria. They can ingest disease-causing microorganisms,... (read more)

Bacteria are microscopic organisms with the largest are only 10 micrometres long (10 millionths of a metre). Comparing to that, viruses are even... (read more)

Bacteria are one of the main pathogens and can cause... (read more)

A pathogen is a disease-causing microorganism. For example, bacteria and viruses are pathogens. Pathogens can be ingested or destroyed by white blood cells because those cells can produce antibodies and antitoxins. (read more)

The Euro Millions jackpot was capped at €185 million from 6th March 2009, so the largest possible prize can only be €185 million. However, its minimum jackpot will be over €15 million. Therefore, it will be a lifechange if you win the Euro Millions... (read more)

The biggest lottery prize in the world is probably in the US. There are two big lottery games in America: Powerball and MegaMillions. So far, the biggest Powerball... (read more)

Countries participated are: the Republic of Ireland, the UK, Spain, Belgium, Luxembourg, Portugal, France, Austria and Switzerland. You can buy lottery tickets including EuroMillions online: (read more)