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How an ancient cataclysm may have jump-started life on Earth

How an ancient cataclysm may have jump-started life on Earth
A cataclysm may have jump-started life on Earth. A new scenario suggests that some 4.47 billion years ago—a mere 60 million years after Earth took shape and 40 million years after the moon formed—a moon-size object sideswiped Earth and exploded into an orbiting cloud of molten iron and other debris. The metallic hailstorm that ensued…
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The bacteria in your gut may reveal your true age

The bacteria in your gut may reveal your true age
The billions of bacteria that call your gut home may help regulate everything from your ability to digest food to how your immune system functions. But scientists know very little of how that system, known as the microbiome, changes over time—or even what a “normal” one looks like. Now, researchers studying the gut bacteria of thousands of people…
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Antibiotic resistance in the environment linked to fecal pollution

Antibiotic resistance in the environment linked to fecal pollution
Increased levels of antibiotic resistant bacteria in the environment may have different causes. It could be a consequence of on-site selection from antibiotic residues in the environment, hence promoting the evolution of new forms of resistance. Alternatively, it is simply due contamination by fecal bacteria that often tend to be more resistant than other bacteria.…
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Evolution used same genetic formula to turn animals monogamous

Evolution used same genetic formula to turn animals monogamous
Why are some animals committed to their mates and others are not? According to a new study led by researchers at The University of Texas at Austin that looked at 10 species of vertebrates, evolution used a kind of universal formula for turning non-monogamous species into monogamous species -- turning up the activity of some…
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A new way to genetically tweak photosynthesis boosts plant growth

A new way to genetically tweak photosynthesis boosts plant growth
A genetic hack to make photosynthesis more efficient could be a boon for agricultural production, at least for some plants. This feat of genetic engineering simplifies a complex, energy-expensive operation that many plants must perform during photosynthesis known as photorespiration. In field tests, genetically modifying tobacco in this way increased plant growth by over 40 percent. If…
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Tracking Development Cell by Cell is Science’s Breakthrough of 2018

Tracking Development Cell by Cell is Science’s Breakthrough of 2018
Science has chosen single-cell analyses of gene activity through time as its 2018 Breakthrough of the Year, honoring a trifecta of methods that together are enabling researchers to determine, at the individual cell level, which genes are turned on and off as an early embryo develops. "In 2018 alone, studies detailed how a flatworm, a fish, a…
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A Possible Glimpse at the Role of Naturally-Occurring Radiation as a Contributing Factor to Genetic Variance among Populations of Living Organisms

A Possible Glimpse at the Role of Naturally-Occurring Radiation as a Contributing Factor to Genetic Variance among Populations of Living Organisms
Tommy Rodriguez Department of Research & Development, Pangaea Biosciences, Miami, FL, USA Email: trodriguez[@]pangaeabio.com Rodriguez, T. (2018). A Possible Glimpse at the Role of Naturally-Occurring Radiation as a Contributing Factor to Genetic Variance among Populations of Living Organisms. International Journal of Biology, 42-53, Vol.: 11, Issue.: 1. DOI: 10.5539/ijb.v11n1p42. Abstract A fundamental question in evolutionary…
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Butterfly sanctuary expected to be plowed over for Trump’s border wall

Butterfly sanctuary expected to be plowed over for Trump’s border wall
A protected habitat of butterflies along the Rio Grande is expected to be plowed over to clear the way for President Trump's border wallafter the U.S. Supreme Court rebuffed a challenge by environmental groups. The justices this week upheld a District Court ruling to allow the Trump administration to bypass 28 federal laws, including the Endangered…
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