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cosmology
Galaxy may swarm with 100,000 times more ‘nomad planets’ than stars February 24, 2012 [image: This image is an artistic rendition of a nomad object wandering the interstellar medium. The object is intentionally blurry to represent uncertainty about whether it has an atmosphere. A nomadic object may be an icy body akin to an object found in the outer solar system, a more rocky material akin to asteroid or even a gas giant similar in composition to the most massive solar system planets and exoplanets.] There may be 100,000 times more wandering “nomad planets” in the Milky Way than stars... mais »
Climate Change Shrink the Species
[image: Illustration by Danielle Byerley / University of Florida] Little People: Will Climate Change Shrink the Species? By JEFFREY KLUGER | February 24, 2012 | ILLUSTRATION BY DANIELLE BYERLEY / UNIVERSITY OF FLORIDA This artist reconstruction compares Sifrhippus sandrae, right, with a modern Morgan horse that stands about 5 feet tall at the shoulder and weighs about 1,000 pounds. Sifrhippus, the earliest known horse, was the size of a small house cat (about 8.5 pounds) at the beginning of the Eocene about 56 million years ago. If you think there are no new reasons to get freaked ... mais »
Diabetes, cardiologia e internet
http://jornal.cardiol.br/2012/janeiro/edicao/#/14/
Student's guide to health and fitness
Health and fitness [image: Student’s Guide to Health and Fitness] Via: Online Colleges Guide
Alzheimer
U.S. Drafts Plan to Fight Alzheimer’s Disease By LAURAN NEERGAARD | AP | February 23, 2012 | + [image: Photo Researchers RM / Getty Images] PHOTO RESEARCHERS RM / GETTY IMAGES An Alzheimer's patient shares a moment with her daughter. The Obama administration declared Alzheimer’s “one of the most feared health conditions” on Wednesday as it issued a draft of a new national strategy to fight the ominous rise in this mind-destroying disease. More than 5 million Americans already have Alzheimer’s or similar dementias, a toll expected to reach up to 16 million by 2050 — along with skyrocke... mais »
MI: Women
------------------------------ Higher Mortality for Women With MI and No Chest Pain By Charles Bankhead, Staff Writer, MedPage Today Published: February 21, 2012 Reviewed by Robert Jasmer, MD; Associate Clinical Professor of Medicine, University of California, San Francisco. * * Women more often have no chest pain with a myocardial infarction (MI) and have a greater risk of dying in hospital than men do, analysis of a large clinical registry showed. Almost 40% more women had no chest pain at diagnosis, and they had a 42% higher inhospital mortality, researchers reported in the Feb. 22... mais »
Dineína: Mitose celular
How Chromosomes Align Perfectly in a Dividing Cell ScienceDaily (Feb. 12, 2012) — To solve a mystery, sometimes a great detective need only study the clues in front of him. Like Agatha Christie's Hercule Poirot and Arthur Conan Doyle's Sherlock Holmes, Tomomi Kiyomitsu used his keen powers of observation to solve a puzzle that had mystified researchers for years: in a cell undergoing mitotic cell division, what internal signals cause its chromosomes to align on a center axis? ------------------------------ *Story Source:* The above story is reprinted from materials provided by*Whit... mais »
Bisphenol: Urinary Concentration and Risk of Future Coronary Artery Disease
Urinary Bisphenol: A Concentration and Risk of Future Coronary Artery Disease in Apparently Healthy Men and Women * 1. David Melzer1*; 2. Nicholas J. Osborne2; 3. William E. Henley3; 4. Ricardo Cipelli4; 5. Anita Young5; 6. Cathryn Money5; 7. Paul McCormack5; 8. Robert Luben6; 9. Kay-Tee Khaw6; 10. Nicholas J. Wareham7; 11. Tamara S. Galloway4* *+**Author Affiliations* 1. *1 Peninsula Medical School, University of Exeter, Exeter, United Kingdom;* 2. *2 Peninsula College of Medicine & Dentistry, University of Exeter, Exeter, Unite... mais »
Career in the Networked Economy
LinkedIn Founder Reid Hoffman: How to Build Your Career in the Networked Economy By SAM GUSTIN | @samgustin | February 21, 2012 | Reid Hoffman knows a thing or two about networking. Not only did he launch one of the most successful Internet companies of the past decade, LinkedIn, the social network for professionals, but he’s developed a formidable network of his own, one that’s given him the opportunity to invest such high-flying Internet start-ups as Facebook and Zynga. Hoffman stopped by TIME’s office in New York City to discuss his new book, *The Start-Up of You *, which offers i... mais »
Avoiding Avoidable Care
COST CONTROL REQUIRES CULTURE CHANGE Until recently, the main framework for thinking about reform has been one of shortages and disparities. That has begun to shift as patients and providers become more aware of the problem of unnecessary or avoidable care. Efforts to improve care and control costs will not be successful unless policymakers, payers, providers, and patients address the problem of avoidable care. Considerable uncertainty remains. How much care in the US is avoidable? Can we quantify its consequences, in terms of financial impact and harms? What factors drive overutili... mais »
Ecercise
[image: Well - Tara Parker-Pope on Health] February 15, 2012, *12:01 AM*How 1-Minute Intervals Can Improve Your Health By GRETCHEN REYNOLDS [image: Can brief bursts of exercise improve your health?]John P. Kelly/Getty ImagesCan brief bursts of exercise improve your health? [image: Phys Ed] While many of us wonder just how much exercise we really need in order to gain health and fitness, a group of scientists in Canada are turning that issue on its head and asking, how little exercise do we need? The emerging and engaging answer appears to be, a lot less than most of us think — provided... mais »
Inovare
Braile Biomédica launches transapical valve *Washington, DC* - Brazilian developers of the *Inovare* transapical aortic valve are encouraged by the early experience with the device despite a 50% two-year mortality rate. Here at CRT 2012, the *Cardiovascular Research Technologies* conference, *Dr Valter Lima* (Hospital São Francisco, Porto Alegre, Brazil) presented data from 93 of the 150 or so patients who have been implanted with the Inovare transcatheter aortic valve, a bovine pericardium and cobalt-chromium valve developed by Braile Biomédica. In this initial experience with the ... mais »
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