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Space

First Human Colonies Should Be Among Venus' Clouds 256

StartsWithABang writes: When we talk about humans existing on worlds other than Earth, the first choice of a planet to do so on is usually Mars, a world that may have been extremely Earth-like for the first billion years of our Solar System or so. Perhaps, with enough ingenuity and resources, we could terraform it to be more like Earth is today. But the most Earth-like conditions in the Solar System don't occur on the surface of Mars, but rather in the high altitudes of Venus' atmosphere, some 50-65 km up. Despite its harsh conditions, this may be the best location for the first human colonies, for a myriad of good, scientific reasons. NASA proposed something similar last year and released a report on the subject.
Biotech

Creating Bacterial "Fight Clubs" To Discover New Drugs 30

Science_afficionado writes: Vanderbilt chemists have shown that creating bacterial 'fight clubs' is an effective way to discover natural biomolecules with the properties required for new drugs. They have demonstrated the method by using it to discover a new class of antibiotic with anti-cancer properties. From the Vanderbilt website: "That is the conclusion of a team of Vanderbilt chemists who have been exploring ways to get bacteria to produce biologically active chemicals which they normally hold in reserve. These compounds are called secondary metabolites. They are designed to protect their bacterial host and attack its enemies, so they often have the right kind of activity to serve as the basis for effective new drugs. In fact, many antibiotics and anticancer compounds in clinical use are either secondary metabolites or their derivatives."

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