Woolly mammoths and prehistoric horses grazed on the North American plains several thousand years longer than hitherto presumed. This is shown by samples of ancient DNA, analysed by an international team of research scientists under the leadership of Eske Willerslev, professor at Copenhagen University. Analyses of ancient DNA once again upsets results of more common methods of dating, such as carbon 14 analysis of bone and tooth remains from extinct animals.
Reports indicate that scientists are going to hold a meeting where it would be suggested that the search for extra-terrestrial life should be focused right here on earth. According to a report in The Times, the idea would be discussed by scientists at a meeting of the Royal Society in Britain this week.
A pebble, if dropped in water, creates an air-filled cavity that ejects air at supersonic speeds, researchers the University of Twente in the Netherlands have found. Stephan Gekle and his colleagues used high-speed photography, and spotted a cavity of air forming in an hourglass shape — with the top of the hourglass at the surface of the water and its base at the sinking object.
It’s important to realise that even though DVDs may seem more impervious to destruction than your old video tapes, they really aren’t and should be treated with similar care. If you will follow some simple rules to care for your DVDs they will last you forever.
After the Philadelphia Experiment, the Montauk Project in 1983 raised many an eyebrow, though there is no official agency to prove that interdimensional travel was actually carried out. UPENDRA SARUP goes into details of the mysterious experiment.
It is now over 400 years and still going strong. The simple yet fascinating telescope is seen as the greatest invention ever. Shewtank Dubey takes a peek at Galileo’s creation which got him only isolation, ignominy & death
Flat screen televisions have started becoming a common household commodity in the last couple of years. In this article, Parashar Joshi looks at LCD vs. plasma televisions from the perspective of a regular consumer.
By Nikhil Joshi Carbon footprint reflects the amount of carbon dioxide (CO2) that an individual produces in his daily activities by burning fossil fuels for transportation, electricity and more. A carbon footprint calculator is commonly used to measure the carbon footprint of an individual. To know what is a carbon footprint, read on. What is [...]
