But it's been pondered for almost a hundred years. It was postulated that metastatic cells spontaneously caused secondary tumors by fusing their cellular material with regular cells and re-establishing their errant gene expression, but spontaneous is not a concept scientists like, so the search for the real causes has been ongoing.
For years it would not have been possible to use the word “silence” in the same sentence with BPA (bisphenol A). The safety of BPA has been a long-running, robust controversy, in particular regarding concerns that BPA might cause health effects at exposure levels in the very low range that we as consumers might experience every day.
Before the mass extinction that killed-off non-bird dinosaurs and marked the end of the Cretaceous period and the Mesozoic era 66 million years ago, dinosaurs dominated terrestrial environments and Mackerel sharks (Lamniformes) were the dominant shark forms of the sea.
And along with it almost 4,000 early galaxies, many of which will have evolved into galaxies like our own Milky Way.
The COSMOS field in the constellation of Sextans, seen in infrared light. Credit: ESO/UltraVISTA team. Acknowledgement: TERAPIX/CNRS/INSU/CASU
Looking back in time: 16 different epochs between 11 and 13 billion years ago
Humans sometimes perceive an inherently meaningless object such as a pattern, landscape or object as another object, one that has meaning. It's why alternative science proponents, the Jeffrey Smith's and Pete Myers of the world, believe in spirit photographs.
Some have even argued that pareidolia occurs in relatively low-level visual processing, and a new paper examines the relation between behavior when a face-like object is viewed and brain activity to reveal the level of visual processing at which face-likeness is recognized.
When a massive star consumes its nuclear fuel and collapses under its own gravity in a supernova explosion, it can result in a neutron star. These very dense objects have a radius of about 10 kilometers and yet are 1.5 times more massive than the Sun. They have very strong magnetic fields and are rapid rotators, with some neutron stars spinning more than 100 times per second round their axis.
In the 1980s, environmentalists and epidemiologists began to statistically correlate attention problems in children and lower scores on tests with flame retardants used in furniture, chemicals that had become popular because parents and fire departments wanted to prevent "flashover" events during house fires - explosions in closed rooms.
Large ecosystems bring stability, they insist. But that isn't really true. Instead, stability and diversity happen when the ecosystem is complex, not just because it is large. And he branching complexity of rivers are absolutely vital in affecting regional population stability and persistence in nature.
That doesn't mean you shouldn't encourage kids to try new things, but they are not going to end up unhealthy if they sat at the dinner table for an hour and still didn't eat that cabbage. And it debunks claims that picky eaters are at higher risk of being underweight, with poor growth, or being overweight.
Biologists learned this by placing food in a small translucent cylinder. The great tits that started pecking at the cylinder to get to the food failed the test as the behavior was considered an impulsive act. Those that, on the other hand, moved to an opening in the cylinder and thereby were able to access the food without pecking at the cylinder wall passed the test.
In a tweet, the coordinator for the science blog network of the British newspaper The Guardian announced that after eight years, the blog would be closing down.
We're told over and over again just how important science journalism is, usually by science journalists. Clearly, the public disagrees, and they have disagreed for a very long time. When newspapers began shrinking their news rooms many years ago, science reporters were among the first to go.
It is a cultural placebo that will make people feel like they did something important but it is meaningless. Instead, pollution is up because the world is wealthier, rich and relatively poor alike, than ever before.
Internet has changed my life more than any other "thing" around, and it has provided me with an enormous wealth - information, knowledge, simplification of otherwise difficult tasks, ease of access to data, solution to problems, connection with people all over the world, possibility to broadcast and publish. And entertainment, online gaming, music, videos, free porn, free movies, paid movies. I could go on, of course.