WHO urges vigilance but no alarm over bird flu

The World Health Organization called Wednesday for vigilance after the recent detection of bird flu in mammals, but tried to calm fears that large-scale human outbreaks could be looming.

When was the first time life began to prey on each other?

Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that ...

Bioreactor keeps cell culture conditions under control

A cell-culturing technique developed by KAUST scientists helps to create biological conditions that more closely mirror physiological environments compared to standard protocols used in most laboratories today.

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