SCIENCE IN THE NEWS WEEKLY
Microbes Surpass Low Energy Limit for Life
Microbes have been discovered on the sea floor that have exceptionally low metabolic rates, using so little oxygen that they barely qualify as life. Researchers think that they may have been living at the absolute minimum energy requirement needed to subsist for 86 million years.
In other news of the ancient past, the earliest direct example of insect pollination has been identified by scientists in 100-million-year-old amber blocks from Spain that include tiny invertebrates whose bodies are coated with pollen grains.
And archaeologists working in a rain forest in Guatemala have stumbled on a remarkable discovery: a room full of wall paintings and numerical calculations. The room, about the size of a walk-in closet, is part of the buried Maya city of Xultun.
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VIDEO: How Hair Ice Grows
In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
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