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Scientists often use “epigenetic watches” to measure biological aging, but what makes these watches work is not completely understood. Now, scientists have discovered a clue: watches are synchronized with random mutations that arise in DNA as we age. For a long time it is known that, about human life, mutations accumulate in the DNA of…

As Ph.D. Candidate in the Department of Earth Sciences and the Environment at the Lamont-Doherty Earth Observatory, Caroline Jureg is currently investigating how the climate affects forest fires in the west of the United States, pressing in front of the recent fires of Angels and catastrophic. She uses satellite data, large data sets and statistical…

The egg nebula, as it has been photographed here by Hubble, is a preplanetary nebula, since its external layers have not yet heated at sufficient temperatures by the central and contracting star to completely ionize. Many of the giant stars visible today will evolve towards a nebula such as it is before throwing their external…

When the classic prisoner dilemma game (PD) is played repeatedly in many rounds, is cooperation maintained? And male couples cooperate almost double female pairs? Both findings were reported in a great American experiment published more than half a century ago. Now, an experimental study that uses more rigorous methodological and statistical techniques and much larger…

A new species, Otacilia Tongbershan Liu, sp. nov. It is described in the National Natural Reserve of Tongeboshan, province of Jiangxi, China. There are morphological illustrations, semi and living photos and a distribution map. Jiang Z, Lin C, Wang Z, Yao and, Liu K (2025) a new species of Otacilia Thorell, 1897 (Araneae, Phrurolithidae) of…

One would expect a mummy to smell like a moldy, young and moldy. But the first study that systematically smells the human remains wrapped report much more pleasant aromas, describing the smell of smell as “woody”, “spicy” and “sweet”, according to a report inside Journal of the American Chemical Society. “The smell of mummified bodies…

In just one month, Skywatchers in North America will receive a surprising total lunar eclipse. He The lunar eclipse will occur during the night between March 13 and 142025, and will be the first total lunar eclipse visible anywhere in the world Since November 2022. It will also be the first of the three that…