The authors say theirs is the most comprehensive study of feathered dinosaurs and early birds into the evolutionary relationships of dinosaurs at the origin of birds. They used an analytical pipeline to search for evolutionary trees, and estimated how each species may have crossed the stringent thresholds for powered flight.
Sour beer is not a defect. Some people like the tart, tangy brew which results when wild yeast and bacteria are allowed to grow in freshly brewed beer (wort) and then ferment.
It's the opposite of the fresher beer many desire and began as a niche market in in Europe long ago. Now it's taking off in the U.S. the way IPAs did a decade ago.
Twistor theory is a mathematical construction that dates back to the sixties, and is probably mostly known for some of its uses within string theory. Funnily enough, it has now been brought to the fore by Peter Woit, a mathematical physicist from Columbia University who became internationally renowned when he published his 2006 book "Not Even Wrong".
It suggests that absent control, doctors are giving prescriptions for postpartum pain in new mothers containing a few too many pills. And those 7-9 extra pills, they claim, may lead to opioid addiction.
Yet in their desire to raise their $2 billion a year by keeping everyone on apocalyptic red alert, they miss something obvious; if no one is allowed to experience nature, they won't appreciate it or care about it in the future. And if they don't care because it's not valuable to them, they won't support environmental lawyers.
In recent years, the notion of an insect apocalypse has become a hot topic in the conservation science community and has captured the public’s attention. Scientists who warn that this catastrophe is unfolding assert that arthropods – a large category of invertebrates that includes insects – are rapidly declining, perhaps signaling a general collapse of ecosystems across the world.
In food circles, Karen has been around for much longer. She made Whole Foods great. Her asymmetrical bob has long prowled the aisles looking for free-range, shade-tree-grown, fair-trade spices, because she is not just more ethical than you Plebians buying in Safeway, she is smarter. She knows GMOs cause cancer.
As time passes, our fertility declines and our bodies start to fail. These natural changes are what we call ageing.
In recent decades, we’ve come leaps and bounds in treating and preventing some of the world’s leading age-related diseases, such as coronary heart disease, dementia and Alzheimer’s disease.
But some research takes an entirely unique view on the role of science in easing the burden of aging, focusing instead on trying to prevent it, or drastically slow it down. This may seem like an idea reserved mainly for cranks and science fiction writers, but it’s not.
It's no secret that "Star Trek" from the 1960s and "Star Wars" from the 1970s hold a grip on cosmic fiction in culture, and they do so without much overlap. Their hardcore fandom, outside 'nerd' sterotypes on television shows, is pretty distinct. I prefer "Star Trek" because it's a little lighter in tone than the Sturm and Drang of the "Star Wars" universe, and that makes it perfect for a comedy.
Instead of getting an informed discussion of healthy soil, people are getting political spin, he worries.
And the politicians and activists implying that local farmers are doing something wrong and wanting to shame them with regulations ignore the reality that they have been practicing actual regenerative agriculture quite well.
That sounds bad, except buying whole grain or white bread or fancy crackers are not making any difference in health anyway.
ALMA recently took a census of stellar eggs in the constellation Taurus and their evolution state in order to better understand how and when a stellar embryo transforms to a baby star deep inside a gaseous egg.
They also found a bipolar outflow, a pair of gas streams that could be telltale evidence of a truly newborn star.
But there has long been another possibility; a kind of “oxygen-free respiration” hinted at in studies on primordial microbes that are still found in anoxic habitats today. There have been found genes in microbes that perhaps encode for a primordial respiration enzyme.
Yet proving the existence of this respiratory enzyme and isolating it requires time and effort. The complex is fragile and often fell apart during attempts to isolate it from the membrane.
Reflections On The Statement “The IAU Has A Clear Ideology About Inclusion That Has To Be Accepted By All Its Members"
POLITICIZATION OF SCIENCE. Reflections on the statement “The International Astronomical Union (IAU) has a clear ideology about Inclusion that has to be accepted by all its members”
There are epochs in which science, academia and all intellectual activities are constrained by an ideological system to create monsters at the beck and call of political or religious agendas within totalitarian regimes that repress the free development of ideas.
It’s a common assumption that exercise in older people is difficult and dangerous, so it’s perhaps best avoided. But this is often not the case – even if these ideas are ingrained in society. Research has repeatedly shown that exercise in older adults is linked with lower disease risk, reduced risk of falls, and better overall health.
The findings are simply exploratory and about co-occurrence between gender identity and autism diagnoses, they cannot inform or suggest causal links. These correlations have confounders.
Djedkhonsiu-ef-ankh died almost 3,000 years ago in ancient Egypt. He was a priest in the temple of Amun at Karnak, where he was an ‘Opener of the Doors of Heaven’ - permitted to open the temple sanctuary which contained the image of their deity.