Tue, 21 Feb 2017 13:56:43 ESTNASA-NOAA's Suomi NPP satellite captured a visible image of the Southern Pacific Ocean's newly formed tropical cyclone in the Gulf of Carpentaria. By the next day Alfred made landfall and weakened to a remnant low pressure area.
Tue, 21 Feb 2017 13:56:30 ESTMany shark populations around the world are known to have declined over the past several decades, yet marine scientists lack important baseline information about what a healthy shark population looks like. A clearer picture is now coming into focus—thanks to a team of scientists who investigated the size of an unfished community of reef sharks.
Tue, 21 Feb 2017 13:19:37 ESTThe historic St. Patrick's Cathedral in Manhattan has activated a geothermal plant—part of a series of environmentally friendly upgrades.
Tue, 21 Feb 2017 13:18:20 ESTAlkaloids are natural nitrogen-containing compounds produced by plants and microbes. These molecules, such as morphine and quinine, are important human medicines. Alkaloids are typically polycyclic in nature. While the polycyclic characteristics are important for their bioactivities, these features impede their chemical syntheses in the laboratory and their applications as pharmaceuticals.
Tue, 21 Feb 2017 12:53:51 ESTWhen John Crocker, a professor of chemical and biomolecular engineering in the University of Pennsylvania's School of Engineering and Applied Science was a graduate student, his advisor gathered together everyone in his lab to "throw down the gauntlet" on a new challenge in the field.
Tue, 21 Feb 2017 12:52:39 ESTOf all the fishy predators in the Great Lakes, few are more destructive than the sea lamprey. There's something of a horror movie in their approach: jawless, they attach to prey such as salmon, whitefish or trout with a sucker mouth and drain the victim of its blood and lymph.
Tue, 21 Feb 2017 12:51:20 ESTWarming in the 21st century reduced Colorado River flows by at least 0.5 million acre-feet, about the amount of water used by 2 million people for one year, according to new research from the University of Arizona and Colorado State University.
Tue, 21 Feb 2017 12:51:02 ESTThe health of fish and aquatic insects could be significantly affected by withdrawals of fresh water from the rivers and streams across North Carolina according to a new scientific assessment.
Tue, 21 Feb 2017 12:49:43 ESTA NASA-led team will kick off an ambitious airborne campaign to determine which combination of sensors would work best at collecting global snow-water measurements from space—critical for understanding and managing the world's freshwater resources. Scientists at NASA's Goddard Space Flight Center in Greenbelt, Maryland are providing technology to the mission.
Tue, 21 Feb 2017 12:49:15 ESTNew planetary formation models from Carnegie's Alan Boss indicate that there may be an undiscovered population of gas giant planets orbiting around Sun-like stars at distances similar to those of Jupiter and Saturn. His work is published by The Astrophysical Journal.
Tue, 21 Feb 2017 12:46:01 ESTDiscovering who was a leader, or even if leaders existed, from the ruins of archaeological sites is difficult, but now a team of archaeologists and biological anthropologists, using a powerful combination of radiocarbon dating and ancient DNA, have shown that a matrilineal dynasty likely ruled Pueblo Bonito in New Mexico for more than 300 years.
Tue, 21 Feb 2017 12:45:32 ESTFor the first time ever, scientists have captured images of terahertz electron dynamics of a semiconductor surface on the atomic scale. The successful experiment indicates a bright future for the new and quickly growing sub-field called terahertz scanning tunneling microscopy (THz-STM), pioneered by the University of Alberta in Canada. THz-STM allows researchers to image electron behaviour at extremely fast timescales and explore how that behaviour changes between different atoms.
Tue, 21 Feb 2017 12:44:04 ESTA Rice University study suggests that researchers planning to use the CRISPR genome-editing system to produce designer gut bacteria may need to account for the dynamic evolution of the microbial immune system.
Tue, 21 Feb 2017 12:43:22 ESTNew York, NY-Africa's protected parks and reserves are capable of supporting three to four times as many wild lions if well funded and managed, according to a new report led by Panthera, the global wild cat conservation organization.
Tue, 21 Feb 2017 12:42:51 ESTAn international collaboration of life scientists, including experts at Van Andel Research Institute, has described in exquisite detail the critical first steps of DNA replication, which allows cells to divide and most advanced life, including human, to propagate.
Tue, 21 Feb 2017 12:40:59 ESTThe dynamical properties of these asteroids, observed spectroscopiccally for the first time using the Gran Telescopio CANARIAS, suggest a possible common origin and give a clue to the existence of a planet beyond Pluto, the so-called 'Planet Nine.'
Tue, 21 Feb 2017 12:38:30 ESTJapanese researchers have confirmed the second case known to science of a chimpanzee born with trisomy 22, a chromosomal defect similar to that of Down syndrome (or trisomy 21) in humans. The report on Kanako, a 24-year-old female chimp born into captivity, was led by Satoshi Hirata of Kyoto University in Japan, and appears in the journal Primates, published by Springer. The authors also describe their attempts to improve the quality of life of this chimpanzee, through providing and managing opportunities for normal social interaction. Such efforts are seen as key in caring for disabled chimpanzees in captivity.
Tue, 21 Feb 2017 12:37:31 ESTA team led from the Instituto de Astrofísica de Canarias (IAC) has found the most precise way ever to measure the rate at which stars form in galaxies using their radio emission at 1-10 Gigahertz frequency range.
Tue, 21 Feb 2017 12:35:34 ESTScientists at the John Innes Centre are developing a new line of fast-growing sprouting broccoli that goes from seed to harvest in 8-10 weeks. It has the potential to deliver two full crops a season in-field or it can be grown all year round in protected conditions, which could help with continuity of supply, as growers would no longer be reliant on seasonal weather conditions.
Tue, 21 Feb 2017 12:29:34 ESTA key factor to improve swimming performance is reducing resistance that water exerts on the moving body. This resistance, known as drag, is influenced by factors including the stroke rate, swimmer's size, and swimming speed. The range of factors, along with the motion of the swimmer, have made it difficult to measure drag accurately.
Tue, 21 Feb 2017 12:27:52 ESTRobotics researchers have developed a novel adaptive control approach based on online learning that allows for the correction of dynamics errors in real time using the data stream from the robot. The strategy is described in an article published in Big Data.
Tue, 21 Feb 2017 11:17:08 ESTScientists at the Center for Genome Engineering, within the Institute for Basic Science (IBS), in collaboration with KIM Eunji (ToolGen Inc.) and KIM Jeong Hun (Seoul National University) have engineered the smallest CRISPR-Cas9 to date, delivered it to the muscle cells and in the eyes of mice via adeno-associated viruses (AAV) and used it to modify a gene causing blindness. Published on Nature Communications, this CRISPR-Cas9 system, originated from Campylobacter jejuni (CjCas9), is expected to become a useful therapeutic tool against common and "undruggable" disease targets.
Tue, 21 Feb 2017 11:15:07 ESTA world-first study testing new underwater cameras on wild dolphins has given researchers the best view yet into their hidden marine world.
Tue, 21 Feb 2017 11:14:30 ESTResearchers have created a high performance anode material for lithium-ion batteries (LIBs) using waste silicon (Si) sawdust.
Tue, 21 Feb 2017 11:13:55 ESTHiring more black police officers is not a viable strategy for reducing police-involved homicides of black citizens in most cities, according to new Indiana University research that is the first in-depth study of this increasingly urgent public policy question.
Tue, 21 Feb 2017 11:12:45 ESTResearchers at the University of Minnesota and University of Milano-Bicocca are bringing the dream of windows that can efficiently collect solar energy one step closer to reality thanks to high tech silicon nanoparticles.
Tue, 21 Feb 2017 11:11:11 ESTResearchers at George Mason University are developing a tool combining intelligent computer software and high-level crowdsourcing that will allow intelligence analysts to give sound advice to decision makers in high-pressure situations.
Tue, 21 Feb 2017 11:09:19 ESTNew research from The University of Texas at Austin reveals that the Earth's unique iron composition isn't linked to the formation of the planet's core, calling into question a prevailing theory about the events that shaped our planet during its earliest years.
Tue, 21 Feb 2017 11:00:01 ESTNext-generation displays will feature increased resolution and performance, but getting there will require a shift to smaller individual pixel sizes and a tightening of the tolerance for glass relaxation. Display manufacturers can account for a certain level of relaxation in the glass, referring to the intermolecular rearrangement, if it's known and reproducible. But fluctuations in this relaxation behavior tend to introduce uncertainty into the manufacturing process, possibly leading to misalignment of pixels within displays.
Tue, 21 Feb 2017 10:36:52 ESTAs devices become smaller and more powerful, they require faster, smaller, more stable batteries. University of Illinois chemists have developed a superionic solid that could be the basis of next-generation lithium-ion batteries.