Rattlesnake venom: Mild, medium and wicked hot

In a surprising evolutionary twist, a new study suggests that while one rattlesnake may routinely feast on lizard meat, its seemingly identical neighbor snake might strike and strike and never kill its would-be reptilian ...

Scientists study organization of life on a planetary scale

When we think of life on Earth, we might think of individual examples ranging from animals to bacteria. When astrobiologists study life, however, they have to consider not only individual organisms, but also ecosystems, and ...

Beyond Mars, the mini MarCO spacecraft fall silent

Before the pair of briefcase-sized spacecraft known collectively as MarCO launched last year, their success was measured by survival: If they were able to operate in deep space at all, they would be pushing the limits of ...

Qatar, Exxon Mobil to build $10 bn LNG plant in Texas

Qatar Petroleum and Exxon Mobil announced Tuesday a final decision to build a natural gas export facility in Texas, giving the official green light to a long-discussed project.

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