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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
Fossil remains of an ancient pregnant whale suggest that the animal gave birth ...
Psychologist Diana Reiss discusses communication and cognition in dolphins.
Biologists are using data tags and a National Geographic Crittercam to study the...
What happens when a dolphin catches a cold? No, it's not a trick question. In th...
Underwater digital tags show humpback whales use bubbles to trap schools of fish...
Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.