For a team of researchers studying the effects of stress on ancient humans, their work wasn’t exactly like pulling teeth — but it did involve examining their enamel.A study in Scientific Reports that used enamel defects as a proxy for stress, says that Neanderthal children (who lived between 400,000 years and 40,000 years ago) and Upper Paleolithic kids (who lived between 50,000 years and 12,000 years ago) experienced similar levels of stress — but at different times during their developme ...read more
Recent reports that the H5N1 avian flu virus has been found in cow’s milk have raised questions about whether the U.S. milk supply is safe to drink. According to the federal Food and Drug Administration, the answer is yes, as long as the milk is pasteurized.Nonetheless, raw (unpasteurized) milk sales are up, despite health experts’ warning that raw milk could contain high levels of the virus, along with many other pathogens.As an extension food scientist in a state where raw milk sales are l ...read more
The airline industry spews about 800 megatons of CO2 into the atmosphere each year, roughly 2 percent of total greenhouse gas emissions. There is an increasingly need to decarbonize air travel, but that doesn’t mean that we’ll be cutting the cord on it anytime soon.Air travel is imperative for global connectivity, with roughly 100,000 flights in transit every day carrying people and goods around the world. Aircrafts come with a lengthy list of qualifications, like the need to be lightweight, ...read more
Timor Island might not have been a stepping stone. Many archeologists have theorized that the island, served as a sort of way station for travelers en route to destinations further south and east, like Australia. The island lies southeast of Indonesia and about 450 miles from Australia’s northern coast. But the sheer number of artifacts — and the fact that many dated to the same time period about 45,000 years ago — instead indicates the island was targeted for colonization, according to a ...read more
There’s a reason why high achievers are commonly told to “shoot for the stars” — space travel is far from a simple task. While once an ambitious goal, limited to government entities that had the funding and technology to execute major launches, commercial launches are dominating outer space today, giving rise to a relatively new, rapidly growing industry. “I would say many of the trends we're seeing in the space industry, from increased satellites in orbit to decreasing payload sizes, ...read more
Author Vishay SinghPosted on Categories Discover Magazine