October 29, 2012

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Atomic Level Splicing Further Establishes RNA’s Chemical and Structural Complexity

chemical processes by which RNA carries out the expression of our genes

A newly published paper from researchers at Yale University looks at the process of splicing RNA at the atomic level, establishing RNA’s chemical and structural complexity and showing that it is capable of recruiting diverse metals and orienting them to work with RNA. Scientists at Yale University have described in the greatest detail yet aspects […]

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October 29, 2012

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Sediments Suggest Lake Geneva was Devastated by an Ancient Tsunami

Swiss city of Geneva

Over a century after the Romans gave up control of what’s today Geneva, Switzerland, in 563 A.D., a deadly tsunami on Lake Geneva poured over the city’s walls. It originated from a rock fall, near the place where the River Rhône enters the opposite side of the lake. The ensuing tsunami destroyed villages, livestock and […]

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October 29, 2012

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Hubble Views a Starburst Galaxy Hard at Work

NGC 3738

Located about 12 million light-years from the sun and part of the Messier 81 group of galaxies, starburst galaxy NGC 3738 is currently converting hydrogen gas located in the galaxy’s center into stars. The NASA/ESA Hubble Space Telescope has imaged the faint irregular galaxy NGC 3738, a starburst galaxy. The galaxy is in the midst […]

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October 26, 2012

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New Analysis Method Discovers Millisecond Pulsar via its Pulsed Gamma Radiation

unusual PSR J1311-3430 pulsar system

Using a new a new data analysis method, a team of scientists discovered a millisecond pulsar solely via its pulsed gamma radiation. Pulsars are the compact remnants from explosions of massive stars. Some of them spin around their own axis hundreds of times per second, emitting beams of radiation into space. Until now, they could […]

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October 26, 2012

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CuantumFuse, A Solder Paste Based on Pure Copper

revolutionary nanotechnology copper solder

With an urgent need for lead-free solder because of a worldwide effort to phase out hazardous materials in electronics, scientists at Lockheed Martin have developed CuantumFuse, a solder paste based on pure copper. Palo Alto, California – Scientists in the Advanced Materials and Nanosystems directorate at the Lockheed Martin Space Systems Advanced Technology Center (ATC) […]

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October 26, 2012

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Study Provides Picture of Human Expansion from Africa

analysis provides fuller picture of human expansion from Africa

A newly published study analyzes genetic and paleoanthropological evidence, showing that today’s human population is the result of a great demographic and geographic expansion that began approximately 45,000 to 60,000 years ago in Africa. A new, comprehensive review of humans’ anthropological and genetic records gives the most up-to-date story of the “Out of Africa” expansion […]

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October 26, 2012

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The Triangulum Stream, Remnant of a Star Cluster Being Ingested by the Milky Way

star clusters in the process of being ingested by the Milky Way

Using the Sloan Digital Sky Survey, a team of scientists have discovered a band of stars, named the Triangulum stream, in the southern Galactic sky that is believed to be the remnant of an ancient star cluster slowly being ingested by the Milky Way. Yale astronomers have caught the Milky Way having a snack. Using […]

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October 26, 2012

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Space-Launched Paintballs Could Possibly Deflect an Incoming Asteroid

paint pellets could cause an asteroid to veer off course

The 2012 Move an Asteroid Technical Paper Competition winner, Sung Wook Paek, a graduate student in MIT’s Department of Aeronautics and Astronautics, proposed using a paintball strategy that builds on last year’s competition winner’s idea of deflecting an asteroid with a cloud of solid pellets. In the event that a giant asteroid is headed toward […]

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October 26, 2012

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Hubble Views Arbell 2261, An Elliptical Galaxy with an Unusually Large Core

elliptical galaxy Abell 2261

This new image from Hubble shows Abell 2261, a giant elliptical galaxy located about three billion light-years away that is roughly ten times the diameter of our Milky Way with an unusually large core measuring about 10,000 light-years. Astronomers using NASA’s Hubble Space Telescope have obtained a remarkable new view of a whopper of an […]

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October 25, 2012

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Genetic Evidence Tracks Missing Otomí During Aztecs Conquest

missing-otomi

In the 15th century, the population of the city state Xaltocan, part of the Otomí, vanished and was replaced by the growing Aztec culture. The fate of the Otomí in the region is known only through conflicting historical accounts and archaeological evidence. A new genetic study has recorded the comings and goings of the Otomí and […]

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October 25, 2012

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How Tyrannosaurus Rex Ate Triceratops Horridus

t-rex-eating-t-horridus

Tyrannosaurus rex bite marks have been found on the fossilized bones of Triceratops horridus, but so far such fossils have been studied in an isolated manner. In new research, scientists worked on numerous specimens from Montana’s Hell Creek Formation to identify the tooth marks of T. rex and how it ate T. horridus. The scientists […]

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October 25, 2012

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Physical Exercise May Forestall Brain Shrinkage

old-man-cyclilng

Exercising regularly in old age may stop the human brain from shrinking and showing signs of aging better than engaging in mental or social activities. That’s what a new study from Edinburgh University states. This was revealed by combing through the brain scans of 638 people past the age of retirement, who were more physically […]

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