126 words Study of old slave quarters in Maryland leads to scientific breakthrough | Woman's DNA found, related to Mende living in present-day Sierra Leone 212 words A Rise In Depression Among Teens And Young Adults Could Be Linked To Social Media Use (Survey, Sample Size = 600,000) 298 words Risks for autism and depression are higher if one's mother was in hospital with an infection during pregnancy. This is shown by a major Swedish observational study of nearly 1.8 million children. The increase in risk was 79 percent for autism and 24 percent for depression. 147 words Evidence for hormonal control of heart regenerative capacity during endothermy acquisition 135 words Rich students who have poor classmates become (i) more prosocial, generous, and egalitarian; and (ii) less likely to discriminate against poor students, and more willing to socialize with them. These effects are driven by personal interactions between rich and poor students. 137 words Synthetic biologists at UC Berkeley have engineered brewer’s yeast to produce marijuana’s main ingredients—mind-altering THC and non-psychoactive CBD—as well as novel cannabinoids not found in the plant itself. 149 words Overall, the evidence is consistent that pro-renewable and efficiency policies work, lowering total energy use and the role of fossil fuels in providing that energy. But the policies still don't have a large-enough impact that they can consistently offset emissions associated with economic growth 150 words Men Who Can Do More Than 40 Push-Ups Far Less Likely To Develop Heart Disease 222 words No evidence playing violent video games leads to aggressive behaviour in teens, suggests new Oxford study (n=1,004, age 14-15) which found no evidence of increased aggression among teens who had spent longer playing violent games in the past month. 130 words Scientists find a massive, 23-mile-wide meteorite crater hiding deep beneath the ice in Greenland. The new crater is just 100 miles from a 19-mile-wide crater discovered just 3 months ago, which was tentatively linked to the mysterious, 1,000-year period known as Younger Dryas. 151 words When couples play board games or take a painting class together, their bodies release oxytocin, the “hugging hormone.” But men wielding paintbrushes released twice as much or more as the level of women painters and couples playing games, a new study with 20 married/cohabiting couples has found. 127 words No evidence playing violent video games leads to aggressive behaviour in teens, suggests new Oxford study (n=1,004, age 14-15) which found no evidence of increased aggression among teens who had spent longer playing violent games in the past month. 236 words Scientists have genetically modified cassava, a staple crop in Africa, to contain more iron and zinc. The authors estimate that their GMO cassava could provide up to 50% of the dietary requirement for iron and up to 70% for zinc in children aged 1 to 6, many of whom are deficient in these nutrients. 132 words Something is not quite right jn the universe: A super-precise measurement of one of the fundamental cosmic constants suggests it's expanding faster now than it was in its early years. 170 words Suicide can't be predicted by asking about suicidal thought. 70 major studies of suicidal thoughts shows about 60% of people who died by suicide had denied having suicidal thoughts when asked by a psychiatrist or GP 110 words Patient-Reported Symptom Relief Following Medical Cannabis Consumption 250 words Psilocybin combined with psychological support might correct pessimism biases in depression - The psychedelic drug psilocybin could help alleviate depression by causing people to have a less pessimistic outlook on life, according to new preliminary research. 247 words A new study found that 44 percent of medical cannabis users stopped taking a pharmaceutical drug, or used less of one, or both, in favor of cannabis. They rated marijuana better than pharmaceutical drugs on effectiveness, side effects, availability and cost. 164 words Teleportation is the theoretical transfer of matter or energy from one point to another without traversing the physical space between them. Teleportation, or the ability to transport a person or object instantly from one place to another, is a technology that could change the course of civilization 146 words The majority of renters in 25 U.S. metropolitan areas experience some form of housing insecurity, finds a new study that measured four dimensions: overcrowding, unaffordability, poor physical conditions, and recent experience of eviction or a forced move.