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Today's news headlines from the sources selected by our team:

New Dinosaur's Powerful Sniffer Helped It Track Prey
While pursing his Ph.D. at the University of Pennsylvania, Steven Jasinski fulfilled a childhood dream: he discovered a brand new dinosaur.
LiveScience.com, Fri, 31 Jul 2015 12:51:59 GMT

Lexus' New Hoverboard Is Cool, But Will It Fly?
Last month, Japanese auto manufacturer Lexus unveiled its newest product, and it's not another luxury SUV. It's a hoverboard.
LiveScience.com, Fri, 31 Jul 2015 12:51:59 GMT

Exercise in Teen Years Tied to Lower Mortality Later
Women who exercise during their teen years may live longer, a new study finds.
LiveScience.com, Fri, 31 Jul 2015 12:51:59 GMT

AA joins protest at green changes
The AA joins green groups in warning that recent changes in energy policy will harm the climate.
BBC News - Science & Environment, Fri, 31 Jul 2015 12:51:59 GMT

Earth magnetic shield is much older
Researchers have revealed that the Earth's magnetic field is 550 million years older than previously believed.
BBC News - Science & Environment, Fri, 31 Jul 2015 12:51:59 GMT

Big year ahead for James Webb telescope
It's been a long time coming, but Nasa is now at the business end of building its giant successor to the Hubble Space Telescope.
BBC News - Science & Environment, Fri, 31 Jul 2015 12:51:59 GMT

Researchers find tumor suppressor p53 controls signaling-mediated phagocytosis of apoptotic cells through DD1Ī±
A team of researchers with affiliations to a number of research centers in the U.S. has found that the protein p53 serves as a controlling mechanism for apoptotic (naturally dying) cells through the immunoglobulin Death Domain 1Ī± (DD1Ī±). The group outlines their research efforts and results in the journal Science. French medical researchers Laurence Zitvogel and Guido Kroemer offer a PERSPECTIVE piece on the work done by the team in the same journal edition.
Medical Xpress - latest medical and health news stories, Fri, 31 Jul 2015 12:49:47 GMT

How to become a T follicular helper cell
Follicular helper Tcells (TFH cells), a rare type of immune cell that is essential for inducing a strong and lasting antibody response to viruses and other microbes, have garnered intense interest in recent years but the molecular signals that drive their differentiation had remained unclear. Now, a team of researchers at the La Jolla Institute for Allergy and Immunology has identified a pair of master regulators that control the fate of TFH cells.
Medical Xpress - latest medical and health news stories, Fri, 31 Jul 2015 12:49:47 GMT

HVTN 505 vaccine induced antibodies nonspecific for HIV
A study by researchers at the National Institute of Allergy and Infectious Diseases and Duke University helps explain why the candidate vaccine used in the HVTN 505 clinical trial was not protective against HIV infection despite robustly inducing anti-HIV antibodies: the vaccine stimulated antibodies that recognized HIV as well as microbes commonly found in the intestinal tract, part of the body's microbiome. The researchers suggest that these antibodies arose because the vaccine boosted an existing antibody response to the intestinal microbiome, which may explain why the HVTN 505 vaccine candidate did not perform well. Understanding why the candidate vaccine did not protect against HIV infection will inform ongoing vaccine research efforts against HIV and other infectious diseases.
Medical Xpress - latest medical and health news stories, Fri, 31 Jul 2015 12:49:47 GMT

California 'rain debt' equal to average full year of precipitation
A new study has concluded California accumulated a debt of about 20 inches of precipitation between 2012 and 2015 -- the average amount expected to fall in the state in a single year. The deficit was driven primarily by a lack of air currents moving inland from the Pacific Ocean that are rich in water vapor.
Latest Science News -- ScienceDaily, Fri, 31 Jul 2015 12:51:59 GMT

Cell aging slowed by putting brakes on noisy transcription
Working with yeast and worms, researchers found that incorrect gene expression is a hallmark of aged cells and that reducing such ā€œnoiseā€ extends lifespan in these organisms.
Latest Science News -- ScienceDaily, Fri, 31 Jul 2015 12:51:59 GMT

Study questions presence in blood of heart-healthy molecules from fish oil supplements
The importance of a diet rich in fish oils -- now a billion dollar food-supplement industry -- has been debated for over half a century. A new study questions the relevance of fish oil-derived substances and their purported anti-inflammatory effects in humans.
Latest Science News -- ScienceDaily, Fri, 31 Jul 2015 12:51:59 GMT

Plant wars: vampire weeds use chemical "radar" to stalk victims
CerĀ­tain parĀ­aĀ­sitĀ­ic plants have seeds that donā€™t bother growĀ­ing until they deĀ­tect host plants nearby, a study reĀ­ports.
World Science, Fri, 31 Jul 2015 12:52:00 GMT

Bias against female leaders found as early as teen years
BiĀ­as against feĀ­male leadĀ­ers is common even amĀ­ong teenĀ­agersā€”and some of it comes from girls as well as mothĀ­ers, a study finds.
World Science, Fri, 31 Jul 2015 12:52:00 GMT

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