Ribosomal DNA Can Predict an Animal’s Age
Abby Olena | Feb 14, 2019
A clock constructed of rDNA methylation sites can estimate both chronological and biological age across species.
Taller People More Prone to Cancer
Abby Olena | Oct 24, 2018
The increased risk is slight, but aligns with a longstanding hypothesis that having more cells in one’s body leads to more chances for those cells to become cancerous.
Human Skeletal Stem Cell Found
Abby Olena | Sep 20, 2018
Researchers recovered the cells that give rise to bone and cartilage from fetal and adult bone marrow and also derived them from induced pluripotent stem cells.
Image of the Day: Switch Gears
Sukanya Charuchandra | Sep 10, 2018
A gene responsible for the free-moving, primitive nature of fetal cells is expressed in some breast cancer cells in mice and humans.
Probiotics’ Effects on the Microbiome Vary Widely
Abby Olena | Sep 6, 2018
Experiments in mice and people find that probiotic supplements don’t consistently change the composition of the gut microbiome, and may have adverse effects after antibiotics.
Parkinson’s Disease Enzyme Implicated in More Cases Than Realized
Sukanya Charuchandra | Aug 2, 2018
Levels of active LRRK2 were high even in Parkinson’s patients without a mutation in LRRK2, suggesting that inhibitors of the protein could treat a wider patient population than expected.
Why Are Modern Humans Relatively Browless?
Jim Daley | Jul 1, 2018
The function of early hominins’ enlarged brow ridges, and their reduction in size in Homo sapiens, have puzzled paleoanthropologists for decades.
Risk of Dying Levels Off in Super Old Age: Study
Kerry Grens | Jun 28, 2018
The researchers say that their results are evidence we haven’t yet reached a limit to human lifespan.
Neanderthal Genomes Hint at Species’s Population History
Ashley Yeager | Mar 22, 2018
DNA analysis gives clues to how the ancient hominin’s population split and how they interacted with modern humans.