It’s been over a century since the police started using fingerprint evidence to solve crimes. As a work around, criminals simply started wearing gloves or wiping down whatever they touched at a crime scene. DNA is much more pervasive. A hair at a crime scene or dead skin under a victim’s fingernails could be matched to a criminal with DNA analysis, and there was nothing the bad guys could do about it, until now.

How is it that the Vikings were able to ply the waters of the North Atlantic no matter the weather and occasions when celestial navigation points were hidden by cloud cover? Historians and scientists have long pondered the methods that could have been used. Recently a method long thought to be the musings of mystics has emerged as being, well, a very probable tool. Pixabay During and after the time of the Vikings, from the 8th to the 11th centuries AD, there were folkish stories about how the Nordic seamen used ‘sunstones’ to aid in navigating the waters of the fjords and beyond.

The marvels of science are coming fast and furious these days. A big contributor to advances in our knowledge are mice. These little rodents have been used to test technology and treatments before they are (hopefully) adapted for use in or on humans. Pixabay Popular Mechanics (PM)has the news that scientists at Rockefeller University in New York have developed a device capable of scanning and displaying in a 3D model, in real time, the brain activities of mice.

If you are or ever have been a parent, you will know the wave of defeat that washes over you when you enter your child’s room and see it carpeted with hundreds if not thousands of multi-colored Lego pieces or you may have had the ‘pleasure’ of stepping on the sharp-edged tokens of torture in the middle of the night. Pixabay If so, do not get frustrated and toss the blocks out because the Legos may aid in helping your offspring tap into possible engineering excellence.

The mountains of Chile are home to some of the most advanced astronomical equipment in the world today, and it looks like they’re about to get a new addition. Work has begun on the erection of what promises to be the world’s largest optical reflecting telescope in the world. Perched atop the nearly 10,000 foot high Cerro Armazones in Chile, the Extremely Large Telescope (ELT) is the brainchild of the European Southern Observatory and is expected to be up and running in 2024.

Dinosaur footprints permanently encased in the ground in Utah have survived the elements for millions of years. Now they’re facing a new threat and it isn’t from Mother Nature, it’s from the tourists who come to view them each year. Wikimedia Commons - Phil Konstantin Impressions from the remote past are being vandalized, intentionally and unintentionally, by guests visiting Red Fleet State Park in Utah, reports Fox News At an area around a reservoir, the ‘fossilized’ footprints of the dilophosaurus, a species of raptor, are being removed from the ground and tossed into the natural water pit below.

It is possible that in the near future infertile women will have access to proto-embryos that will go on to develop into viable human offspring. IFLScience.com IFL Science writes that scientists from Maastricht University and the Hubrecht Institute in the Netherlands have successfully used the stem cells of mice to initiate the process of pregnancy in a mouse womb. Using bundles of the stem cells, the researchers created an embryo in a dish and when placed in a womb, it triggered a biochemical reaction that began to prepare the womb for pregnancy.

抵达独龙江那天正好是教师节。中间有个小插曲，为了看更好的风景，我们走的是坑坑洼洼的老路，走到中途，被告知前方塌方，过不去，只得原路返程走新修的隧道。在乡镇的一家宾馆安顿好，到附近的饭馆觅食。凡是带有「独龙」俩字的东西，都很贵，比如独龙牛、独龙鱼、独龙鸡。我们一样没点，就点了几份小菜。在这个地方开店的，基本都不是独龙族人。

Last winter at an undisclosed town in the United States, officials with the Federal Bureau of Investigation’s hostage rescue unit moved in to begin an extraction operation. Agents fanned out around the scene, some in obvious positions while others sat or lay concealed in other spots. Digital Addicts Blog Not long after arriving on scene and staging personnel, the FBI team was harassed by a swarm of drones that made “high-speed, low passes at agents in the observation post” in an attempt to flush them out and prevent the Bureau from having eyes on the scene.

Astronomers and other scientists focused on finding a habitable ’earth-like’ exoplanet in the cosmos have many requirements that have to be met before they seriously zero in on a candidate. One of these requirements is that the planet have a sizable iron core that would lend itself to the creation and maintenance of a magnetosphere. NASA In February of 2017, European astronomers went public with the news that they had discovered a seven-planet orbiting the nearby star TRAPPIST-1, a celestial object located 39.