One of the great mysteries in biology is how the many different cell types that make up our bodies are derived from a single cell and from one DNA sequence, or genome. We have learned a lot from...
Researchers from Canada, the UK, Sweden and the US have discovered more than 30 genes that strongly affect an antibody involved in allergies and asthma. Some of the genes could provide targets for...
Assessing the risks that toxic chemicals pose to natural ecosystems is a huge challenge, given the thousands of chemicals that require testing. But the task is expected soon to become less daunting...
Poultry used to be the usual suspect in cases of Salmonella poisoning. Today, however, most outbreaks of the illness come from fruit and vegetables that have become infected when the soil in which...