Menopausal Mother Nature

News about Climate Change and our Planet

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Ribeye-eating pigs demonstrate protein quality for humans

Nearly a decade ago, the UN’s Food and Agriculture Organization (FAO) developed a new index to assess protein quality in foods. The goal, writ large, was to address food security for the world’s most vulnerable populations, creating more accurate tools for food assistance programs seeking to provide balanced nutrition.

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Sugar promotes sperm longevity in pig reproductive tract

For many livestock species, artificial insemination (AI) is standard. But it can be tricky to achieve success the first time, thanks to variability in ovulation timing across the herd. A new study identifies a naturally occurring sugar that slows the maturation of sperm in pigs, opening up the possibility of extending sperm storage time within the female reproductive tract and increasing the chances of successful fertilization through AI.

Genetic adaptation to climate change is swift in crop pests

(University of Colorado Denver) By comparing genetic variants differing in the two fly populations, researchers found that polygenic traits led to the quickness of adaptation; many genes, each with very small effects, worked together to determine the rate of development. The research illustrates that crop pests and insect disease vectors with similar biology may rapidly respond to changing climates by a similar genetic mechanism.

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Mysterious cellular droplets come into focus

Researchers are shedding light on a type of membrane-less organelle, known as biological condensates, that play a role in DNA repair and aging. Using the Frontera supercomputer, biophysicists performed coarse-grained molecular dynamics of one particular biomolecular condensate — fused in sarcoma (FUS). They have now outlined a phase diagram showing the physical states of the condensate under different conditions of temperature and pressure.

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Mysterious cellular droplets come into focus

Researchers are shedding light on a type of membrane-less organelle, known as biological condensates, that play a role in DNA repair and aging. Using the Frontera supercomputer, biophysicists performed coarse-grained molecular dynamics of one particular biomolecular condensate — fused in sarcoma (FUS). They have now outlined a phase diagram showing the physical states of the condensate under different conditions of temperature and pressure.

Cell-autonomous immunity shaped human evolution

(University of Illinois at Urbana-Champaign, News Bureau) Every human cell harbors its own defenses against microbial invaders, relying on strategies that date back to some of the earliest events in the history of life, researchers report. Because this “cell-autonomous immunity” is so ancient and persistent, understanding it is essential to understanding human evolution and human medicine, the researchers said.

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Hearing loss in naked mole-rats is an advantage, not a hardship

With six mutations in genes associated with hearing, naked mole-rats can barely hear the constant squeaking they use to communicate with one another. This hearing loss, which is strange for such social, vocal animals, is an adaptive, beneficial trait, according to new findings.

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Hearing loss in naked mole-rats is an advantage, not a hardship

With six mutations in genes associated with hearing, naked mole-rats can barely hear the constant squeaking they use to communicate with one another. This hearing loss, which is strange for such social, vocal animals, is an adaptive, beneficial trait, according to new findings.

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Hearing loss in naked mole-rats is an advantage, not a hardship

With six mutations in genes associated with hearing, naked mole-rats can barely hear the constant squeaking they use to communicate with one another. This hearing loss, which is strange for such social, vocal animals, is an adaptive, beneficial trait, according to new findings.