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The early Earth was no place for life as we know it: Belching volcanoes, meteor strikes, hydrogen cyanide and a healthy bombardment of ultraviolet rays.
A round-up of the latest HIV/AIDS research news and an update from the International AIDS Conference in Melbourne, Australia.
Researchers are exploring a new approach to fighting HIV infection by genetically modifying a person’s own immune cells to be resistant to the virus.
The vaccine offered complete protection against malaria in a small trial, but only after five doses.
We'll get the latest on HIV and AIDS news from the International AIDS conference in Vienna.
We'll get the latest on the outbreak of Type A, H1N1 influenza. What are researchers learning from studying the virus -- and how are doctors and other health professionals dealing with its spread?
The National Institutes of Health has decided to cancel a large-scale test of an experimental AIDS vaccine, saying that more focused research was needed on the way such vaccines interact with the immune system. We'll talk with Anthony Fauci, head of the N
The nautilus, the “living fossil” of cephalopods, can uncover the origins of the...
Could a stash of ancient bones be the work of a giant cephalopod?
In less than a second, cephalopods can change the color, pattern and shape of th...
Biologist Sarah Zylinski studies how cuttlefish see the world by looking at thei...
\tWith its heavy outer shell, weak vision, and primitive brain, the nautilus lacks much of the excitement of the more flashy and cunning cephalopods. Yet a series of experiments by evolutionary biologists Dr. Jennifer Basil and Robyn Crook involving fish juice, blue lights, and mazes dispels the notion that this ancient species is incapable of basic learning and throws into question the origins of cephalopods' intellectual prowess.