资讯

Nature23 天
The Molecular Clock and Estimating Species Divergence
the most important consideration is how to calibrate the molecular clock. Assume, for example, that researchers have two DNA sequences that have a content difference of 5%. From this information ...
PsyPost on MSN10 天
Genetic mutations predict Alzheimer’s onset like a ticking clock, study finds
New research published in Molecular Neurodegeneration has revealed that mutations in three genes known to cause familial ...
'Body clock' could determine biological age and longevity, researchers say
Researchers have developed a new “body clock" tool that measures biological age and may help forecast a person’s risk of ...
Algebra is more than alphabet soup – it’s the language of algorithms and relationships
What do Sudoku, AI, Rubik’s cubes, clocks and molecules have in common? They can all be reimagined as algebraic equations.
Every living thing on Earth evolved from one common ancestor
The mystery of life’s beginnings has long captivated scientists. Central to that search is LUCA—the last universal common ...
Scientific American5 小时
Vitamin D May Slow Cells’ Aging
Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But ...
Fox News14 天
'Body clock' could determine biological age and longevity, researchers say
Researchers have developed a new "body clock" tool that calculates people ... on "health entropy," which encompasses the amount of molecular and cellular damage the body has sustained over ...
AZ Animals on MSN14 天
Why Did Some Dinosaurs Go Extinct Before the Asteroid?
An asteroid at the end of the Cretaceous Period ended the dinosaurs, but earlier smaller extinctions dramatically set the ...