How time flies

A new study this week has found that, in order to keep track of time, our minds exploit as many clues in the environment as they can get hold of. This means that our internal clock isn’t solely controlled by pre-programmed cells in the brain...

RNA-away HIV

A mouse given a human immune system has enabled scientists to take the first steps in testing a new treatment for HIV, the immune-disabling agent that causes AIDS...

Getting tested is better for studying than concept mapping

Researchers this week have found that, for fact-based subjects, practising a retrieval exercise produces better test results than concept mapping.  

World's smallest farmers: just a single cell

There are many examples of organisms engaging in agriculture in the natural world, ranging from humans that grow wheat to leaf-cutting ants that nurture edible forms of fungi. But now scientists have discovered what is possibly the smallest of nature's farmers - a single-celled social amoebal specie...

Contagious canine tumours steal host cell spare parts

Researchers at Imperial College in London have discovered an unusual process which is happening in a contagious form of cancer that infects dogs called canine transmissible venereal tumour or CTVT. This cancer spreads via physical contact and the study found that the cancer cells keep themselves hea...