Tag

Mechanisms

All articles tagged with #mechanisms

science2 years ago•10 min saved

"Unraveling the Dual Mechanisms of Aging: Drivers vs. Passengers"

Researchers are exploring the distinction between driver and passenger mechanisms of aging, examining factors such as DNA damage, telomeres, and cellular senescence. Studies have delved into the role of oxidative damage, mitochondrial function, and somatic mutations in the aging process, while also investigating the impact of telomere length and cellular senescence on lifespan. The identification of p16Ink4a-positive cells and the vulnerability of somatic progenitor cells to mitochondrial DNA mutagenesis have also been highlighted as potential contributors to aging.

via Nature.com|

#aging #cellular-senescence #dna-damage

science2 years ago•4 min saved

Decoding the Enigmatic Purring of Cats: New Insights Unveiled

Austrian scientists have discovered that connective tissues embedded in cats' vocal cords play a crucial role in their ability to purr, challenging the prevailing hypothesis about how cats produce these low-frequency rumblings. The researchers excised the larynxes of eight deceased domestic cats and found that purring sounds could be produced without muscle contractions, suggesting that cats rely on the same mechanisms as other mammals for vocalizations. The study also highlights that the reasons why cats purr remain a subject of debate, with theories ranging from relaxation and pain relief to manipulation for food.

via Ars Technica|

#cats #connective-tissues #mechanisms

health2 years ago•3 min saved

The Health Benefits of Art: Transforming Your Body and Mind.

Researchers have identified over 600 mechanisms that occur in our bodies when we engage in the arts, from improving respiratory and physical function to enhancing immune function and developing group values. The arts have the ability to trigger hundreds of mechanisms that work in concert, making it a potent tool for healing the body. The arts are being used in at least six distinct ways to heal the body, and just like medications, different types, doses, and durations work differently for different people.

via Big Think|

#arts #complexity-science #health