Science

[ad_1] IMAGE: The three-dimensional structure of a protein called starvation-stringent protein A, a member of a multiprotein complex that Francisella tularensis uses to infect macrophage cells. View More Credit: Maria Schumacher Lab, Duke Biochemistry DURHAM, NC – The bacterium that causes tularemia, the tick-borne disease, is a lean and mean …

[ad_1] In the absence of euphorbia – their favorite food – the caterpillars of monarch butterflies (Danaus plexippus) go from peaceful feeders to aggressive fighters. Researchers reporting in the journal iScience on November 19 he observed that caterpillars with less access to food were more likely to lunge at others …

[ad_1] The three-dimensional structure of a protein called starvation protein A, a member of a multiprotein complex that Francisella tularensis uses to infect macrophage cells. Credit: Maria Schumacher Lab, Duke Biochemistry The bacterium that causes tick-borne disease tularemia is a lean and mean infecting machine. It carries a relatively small …

[ad_1] A species of caterpillar gets “angry” – it gets angry because of hunger – when food is scarce, a new study reveals. The caterpillars of monarch butterflies (Danaus plexippus) become aggressive fighters in their quest to eat milkweed, a herbaceous plant toxic to most animals and their favorite food. …

[ad_1] Launch provider Rocket Lab has a mission today – codenamed “Return to Sender”, it is the company’s sixteenth launch and will carry, among other things, a payload that will demonstrate technology to help deorbit satellites so sure. It has a side mission that is potentially more important to Rocket …

[ad_1] Figure 1. Comparison of overvoltages at 10 mA cm – 2 with recently reported HER catalysts under both acidic and alkaline conditions. Credit: Professor Jong-Beom Baek, UNIST Researchers around the world are actively working to accelerate the development of new catalysts that can significantly reduce the costs of producing …

[ad_1] Look at the night sky, and if you are away from the city lights, you will see the stars. The space between those bright points of light is, of course, filled with darkness like ink. Some astronomers have wondered about all that dark space, how dark it really is. …

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[ad_1] Elon Musk wants to build a city on Mars – a project that would be a precursor to making the planet more like Earth. Wednesday, the CEO of SpaceX explained via Twitter that this city would initially involve “life in glass domes”. The planet “eventually” would be “terraformed to …

[ad_1] Squid’s light organ and symbiotes (green) inside the crypt where they are recruited to live. Credit: Moriano-Gutierrez, et al. 2020. Bacteria living symbiotically within the Hawaiian bobtail squid may direct the host squid to change its normal gene expression schedule to make a home more inviting, according to a …