Science News
Regrow a tooth? Fish, yes; humans, maybe some day
Science Daily - 19 Oct 2015 21:41
When a Lake Malawi cichlid loses a tooth, a new one drops neatly into place as a replacement. Why can't humans similarly regrow teeth lost to injury or disease?
New, potent way to boost immunity, fight viruses
Science Daily - 19 Oct 2015 18:29
Studying mice with a variety of viral infections, scientists have demonstrated a way to dial up the body's innate immune defenses while simultaneously attacking a protein that many viruses rely on to replicate.
Researchers learn how to steer the heart--with light
Phys.org - 19 Oct 2015 17:00
We depend on electrical waves to regulate the rhythm of our heartbeat. When those signals go awry, the result is a potentially fatal arrhythmia. Now, a team of researchers from Oxford and Stony Brook universities has fou...
Cyclic healing removes defects in metals while maintaining strength
Phys.org - 19 Oct 2015 23:11
When designing a new material, whether for an airplane, car, bridge, mobile device, or biological implant, engineers strive to make the material strong and defect-free. However, methods conventionally used to control the...
Monkey model discovery could spur CMV vaccine development
Science Daily - 19 Oct 2015 21:47
Rhesus monkeys can, in fact, transmit Cytomegalovirus (CMV) across the placenta to their unborn offspring, new research shows. This finding establishes the first primate model that researchers can use to study mother-to-...
Gene could hold key to treating Parkinson's disease
Science Daily - 19 Oct 2015 21:41
Researchers have identified a new gene linked to nerve function, which could provide a treatment target for 'switching off' the gene in people with neurodegenerative diseases such as Parkinson's disease.
Gene on-off switch works like backpack strap
Science Daily - 19 Oct 2015 21:41
A research team has found that loop-forming proteins inside the human chromosome appear to work like the sliding plastic adjusters on a grade-schooler's backpack. This discovery may allow researchers to reprogram human c...
Underwater Fossil Graveyard Reveals Toll of Human-Caused Extinction
Live Science - 19 Oct 2015 21:23
If humans had never set foot in the Bahamas, the islands today might be teeming with Cuban crocodiles, Albury's tortoises and rock iguanas, a new study finds.
Life may have begun 300 million years earlier than we thought
New Scientist - 19 Oct 2015 21:00
Flecks of carbon of potentially organic origin seen in zircon crystals, hinting that life started 4.1 billion years ago in Earth's fiery Hadean period
Register Your Drones, Government Says
Live Science - 19 Oct 2015 20:49
Recreational drone users must register their unmanned aerial vehicles in order to prevent close calls and other dangerous invasions of airspace, the government says.
Earth: One Full Day From One Million Miles | Time-Lapse Video
Live Science - 19 Oct 2015 20:34
NASA's new website for its Deep Space Climate Observatory (DSCOVR) mission will be updated daily with images captured 12 to 36 hours prior. 22 Images from Oct. 17th, 2015 have been compiled and looped here to show one fu...
Holocaust survivors' memories help researchers map brain circuitry for gratitude
Science Daily - 19 Oct 2015 20:34
Holocaust survivor stories helped a post-doctoral researcher with a series of studies on gratitude and how it functions in the brain. The study sheds new light on a very under-studied subject, said the study's senior aut...
Significant nonmedical financial burden for families after child admitted to ICU
Science Daily - 19 Oct 2015 20:34
Researchers found that families with children admitted to the Pediatric Intensive Care Unit incurred significant nonmedical, out-of-pocket expenses and demonstrated work absenteeism and inability to perform daily activit...
Burnout, depression: Two entities or one?
Science Daily - 19 Oct 2015 20:29
Burnout and depression overlap considerably, according to the latest study on the subject. The findings are based on a survey taken by 1,386 public school teachers, from pre-K to 12th grade across the United States durin...
Are cars nanotube factories on wheels?
Science Daily - 19 Oct 2015 20:29
Scientists detect the presence of carbon nanotubes in cells extracted from the airways of Parisian children with asthma. Their results suggest nanotubes may be common components of airborne pollution and vehicles may be ...
Antiplatelet therapy with blood thinners reduces mortality for angioplasty patients
Science Daily - 19 Oct 2015 20:27
Patients with acute coronary syndrome who have undergone angioplasty have a reduced risk of all-cause in-hospital mortality but an increased risk of bleeding when given glycoprotein 2b/3a inhibitors after the procedure, ...
Low household income can increase risk of death after heart surgery
Science Daily - 19 Oct 2015 20:27
Low household income was associated with higher risk of death after cardiac surgery in Sweden despite that the entire population has access to free health care, according to a new study.
Trial results show that 'health risk assessment' benefits non-disabled elderly people
Science Daily - 19 Oct 2015 20:27
Implementation of a collaborative care model among community-dwelling older people using a health risk assessment instrument resulted in better health behaviors and increased use of preventative care, according to a new ...
Czechs open EU project with 'world's most powerful laser'
Phys.org - 19 Oct 2015 20:10
The Czech Republic is opening a new scientific center that will include what officials call the world's most powerful laser device.
Electronics get a power boost with the addition of a simple material
Phys.org - 19 Oct 2015 19:30
The tiny transistor is the heart of the electronics revolution, and Penn State materials scientists have just discovered a way to give this workhorse a big boost, using a new technique to incorporate vanadium oxide--a fu...
Powerful plastic microscope brings better diagnostic care for world's rural poor
Phys.org - 19 Oct 2015 19:28
You can learn a lot about the state of someone's immune system just by examining their blood under the microscope. An abnormally high or low white blood count, for instance, might indicate a bone marrow pathology or AIDS...
The Technologies 'Back to the Future' Got Right, Wrong, and Left Out Entirely
Singularity Hub - 19 Oct 2015 19:16
26 years ago, Marty McFly and Doc Brown climbed into their time-traveling flying DeLorean and set the controls to the distant future -- October 21, 2015 -- which happens to be this...