Category archives: Weekly Selection

MI weekly selection #212

MI weekly selection #212

Weekly Selection

By César Tomé

Ostrich-like dinosaur species lost teeth by age 3 A species of dinosaur similar to modern ostriches had teeth when it was young but lost them as it grew older, essentially causing it to become an herbivore after starting life as either an omnivore or carnivore. This discovery about Limusaurus inextricabilis, which lived about 160 million […]

MI weekly selection #211

MI weekly selection #211

Weekly Selection

By César Tomé

Researchers tweak aging process in mice Researchers have reprogrammed adult cells in mice, causing the cells to revert to an embryonic like state, effectively reversing the aging process. By activating four specific genes, scientists expanded the life span of a mouse with a rapid-aging disease and revitalized damaged muscles in a middle-aged mouse. Scientific American […]

MI weekly selection #203

MI weekly selection #203

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Strange objects near neighboring galaxies brighten, then dim A pair of unknown objects near neighboring galaxies appear to produce extremely bright X-ray flares, then dim after about an hour. Astronomers aren’t sure what these objects are, noting that nothing like them has ever been spotted in the Milky Way. New Scientist Landslides appear to have […]

MI weekly selection #202

MI weekly selection #202

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Single-celled amoeba uses molecular mechanisms similar to complex life The single-celled amoeba Capsaspora owczarzaki has the same molecular tools as more complex organisms to help it move through various life stages. The findings suggest multi-celled mechanisms may have been in place long before animals evolved. Science News New questions raised about Lyme disease following discovery […]