One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet still gives rise to a kaleidoscope of different cell types and tissues. A ...

IT is reported of a negro preacher that, having omitted to note the source of his text, he counselled his hearers to search diligently for it, assuring them that in doing so they would find many other ...

PRACTICAL courses dealing with animals are a strong feature in the teaching of elementary zoology such as is required for medical students. Many guides, dealing with suitable local animal types, have ...

Learn how mapping gene-control switches in an ancient sea anemone reveals how identical DNA can produce many different cell ...