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September 30, 2021

The current excavations in the Bechu Kiru cave in the 2021 season are revealing new objects from the Middle Paleolithic Neanderthal occupation. You can see the main Upper Paleolithic layer 1 as a dark band in the sediment profile. The diggers use masks and gloves to minimize contamination of the samples that are regularly taken for molecular analysis. Credit: MPI-EVA/ Tsenka Tsanova

Archaeological evidence shows that early Homo sapiens in Europe faced sub-Arctic climates

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New insights into the climatic background of an early dispersal wave of our species into Europe during the last Ice Age.
Creation of an oil droplet: oil (in yellow) accumulates between the layers of the membrane that forms the 'cellular plasma retina' (ER). The droplets grow and eventually detach and become part of the cytoplasm. This process occurs only in microcomplexes rich in sterols and oleosins along the membrane. [Courtesy of Brookhaven National Laboratory]

Scientists have identified the substance essential for the accumulation of oil in plants

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Researchers, trying to uncover the details of how plants produce and accumulate oil within them, have managed to identify a new essential component in this mechanism. They found a certain sterol - a molecule similar in its structure to cholesterol - that plays an essential role in the formation of oil droplets
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