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Jordana Cepelewicz

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    Math’s “Oldest Problem Ever” Gets a New Answer

    A new proof significantly strengthens a decades-old result about the ubiquity of ways to represent whole numbers as sums of fractions.

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    DNA Has Four Bases. Some Viruses Swap in a Fifth.

    The DNA of some viruses doesn’t use the same four nucleotide bases found in all other life. New work shows how this exception is possible and hints that it could be more common than we think.

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    Nobel Chemistry Prize Awarded for CRISPR ‘Genetic Scissors’

    Emmanuelle Charpentier and Jennifer Doudna have been awarded the 2020 Nobel Prize in Chemistry for their development of CRISPR/Cas9 genetic editing.

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    Scientists Win Nobel Prize for Discovering the Hepatitis C Virus

    Harvey Alter, Michael Houghton and Charles Rice were awarded the 2020 Nobel Prize in Physiology or Medicine for their discovery of the cause of a major liver disease.

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    Reasons Revealed for the Brain’s Elastic Sense of Time

    Research finds that the subjective experience of time is linked to learning, thwarted expectations and neural fatigue.

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    ‘Zombie’ Microbes Redefine Life’s Energy Limits

    A new model shows that the denizens of a vast, ancient biome beneath the seafloor use barely enough energy to stay alive—and broadens understanding of what life can look like.

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    How Your Heart Influences What You Perceive and Fear

    The heartbeat and other bodily processes play a surprising role in shaping perception and cognition.

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