scientist

One of the world's most endangered amphibians - the strange, perpetually smiling Mexican axolotl - has thrived after being released in artificial wetlands, scientists have discovered.

If you ask computational biologist Martha Nelson, a staff scientist at the National Institutes of Health, it hasn't been a quiet year for bird flu.

The results of the latest study should be a wake-up call to residents and government officials considering a postquake response, scientists say.

As an environmental scientist and anthropologist who has worked in Vietnam since the 1990s, I find the neglect and slow recovery efforts deeply troubling.

The report is prepared by scientists and experts who volunteer their time.