Ancient DNA Study Sheds New Light on History of Indo-European Languages
Paleoanthropologists from the University of Vienna and Harvard University have analyzed ancient DNA from 435 individuals from Eurasian archaeological sites dating between 6400-2000 BCE. They’ve discovered a previously unknown group, called Caucasus-Lower Volga (CLV) people, and found out that this population can be connected to all Indo-European-speaking populations. The Caucasus-Lower Volga group lived 4500-3500 BCE
Gaia Discovers Massive Exoplanet and Brown Dwarf around Nearby Low-Mass Stars
Astronomers using ESA’s Gaia star-mapping satellite have discovered two substellar companions — named Gaia-4b and Gaia-5b — orbiting two low-mass stars. An artist’s impression of the super-Jupiter exoplanet Gaia-4b. Image credit: ESA / Gaia / DPAC / M. Marcussen. Gaia-4b is a ‘super-Jupiter’ exoplanet (11.8 Jupiter masses) orbiting an M- or K-type dwarf star called
Impact-Generated Marsquakes Can Reach Deeper into Red Planet than Previously Known
In a new study, planetary researchers used global and high-resolution orbital imaging to discover a fresh, 21.5-m (71-foot) impact crater that appeared at the same time as one of the marsquakes detected by NASA’s InSight lander; this means the seismometer detected a meteoroid strike rather than geological activity within the planet. In an associated study
Study: Omega-3 Supplementation May Slow Biological Aging
A new clinical trial involving over 700 older adults over a three-year period provides evidence supporting the geroprotective benefits of omega-3 supplementation and also suggests the benefits of additive combinations of omega-3 supplementation with vitamin D supplementation and exercise. Consuming one gram of omega-3 per day may slow down the rate of biological ageing in
Yerba Mate Genome Sequenced
An international team of scientists has sequenced the genome of the yerba mate (Ilex paraguariensis), an economically important crop marketed for the elaboration of mate, the third-most widely consumed caffeine-containing infusion worldwide. Vignale et al. report the first draft genome sequence for yerba mate and provide convincing evidence for the identity and characteristics of enzymes
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