ScienceDaily: Most Popular News |
- Stem cells show promise for stroke in pilot study
- White dwarfs crashing into neutron stars explain loneliest supernovae
- A Step closer to understanding the birth of the sun
- Part of brain stays as active in old age as it was in youth
- Stress during pregnancy can be passed down through generations, rat study shows
- Acute psychological stress promotes skin healing in mice
- New clues to repairing an injured spinal cord
- New 'whey' to control diabetes
- Eating more dietary pulses can increase fullness, may help manage weight
- Newly discovered juvenile whale shark aggregation in Red Sea
| Stem cells show promise for stroke in pilot study Posted: 08 Aug 2014 08:07 AM PDT A stroke therapy using stem cells extracted from patients' bone marrow has shown promising results in the first trial of its kind in humans. The therapy uses a type of cell called CD34+ cells, a set of stem cells in the bone marrow that give rise to blood cells and blood vessel lining cells. Rather than developing into brain cells themselves, the cells are thought to release chemicals that trigger the growth of new brain tissue and new blood vessels in the area damaged by stroke.  |
| White dwarfs crashing into neutron stars explain loneliest supernovae Posted: 07 Aug 2014 06:58 PM PDT Astronomers and astrophysicists have found that some of the Universe's loneliest supernovae are likely created by the collisions of white dwarf stars into neutron stars.  |
| A Step closer to understanding the birth of the sun Posted: 07 Aug 2014 11:57 AM PDT Researchers are a step closer to understanding the birth of the sun. Scientists have investigated the solar system's prehistoric phase and the events that led to the birth of the sun.  |
| Part of brain stays as active in old age as it was in youth Posted: 07 Aug 2014 09:14 AM PDT At least one part of the human brain may be able to process information the same way in older age as it does in the prime of life, according to new research. "Our studies have found that older and younger adults perform in a similar way on a range of visual and non-visual tasks that measure spatial attention," says one researcher. Spatial attention is critical for many aspects of life, from driving, to walking, to picking up and using objects.  |
| Stress during pregnancy can be passed down through generations, rat study shows Posted: 07 Aug 2014 07:54 AM PDT To better understand problems during pregnancies today, we should look to the experiences of our ancestors, research suggests. Scientists investigating pregnancies in four generations of rats show that inherited epigenetic effects of stress could affect pregnancies for generations.  |
| Acute psychological stress promotes skin healing in mice Posted: 07 Aug 2014 07:43 AM PDT Brief, acute psychological stress promoted healing in mouse models of three different types of skin irritations, in a new study. Scientists found that healing was brought about by the anti-inflammatory effects of glucocorticoids -- steroid hormones -- produced by the adrenal glands in response to stress.  |
| New clues to repairing an injured spinal cord Posted: 05 Aug 2014 12:06 PM PDT Frogs, dogs, whales, snails can all do it, but humans and primates can't. Regrow nerves after an injury, that is -- while many animals have this ability, humans don't. But new research suggests that a small molecule may be able to convince damaged nerves to grow and effectively rewire circuits. Such a feat could eventually lead to therapies for the thousands of Americans with severe spinal cord injuries and paralysis. Scientists hope to borrow strategy from simpler animals to repair damaged spinal cord nerves in humans.  |
| New 'whey' to control diabetes Posted: 05 Aug 2014 10:22 AM PDT Blood sugar surges -- after-meal glucose 'spikes' -- can be life threatening for the 29 million Americans with diabetes. Now a new study suggests a novel way to suppress these deadly post-meal glucose surges: the consumption of whey protein concentrate, found in the watery portion of milk separated from cheese curds, before breakfast.  |
| Eating more dietary pulses can increase fullness, may help manage weight Posted: 05 Aug 2014 10:21 AM PDT Eating about one serving a day of beans, peas, chickpeas or lentils can increase fullness, which may lead to better weight management and weight loss, a new study has found. Pulses have a low glycemic index (meaning that they are foods that break down slowly) and can be used to reduce or displace animal protein as well as "bad" fats such as trans fat in a dish or meal.  |
| Newly discovered juvenile whale shark aggregation in Red Sea Posted: 04 Aug 2014 10:43 AM PDT Whale sharks (Rhincodon typus) -- which grow more than 30 feet long -- are the largest fish in the world's ocean, but little is known about their movements on a daily basis or over years. A newly discovered juvenile whale shark aggregation off Saudi Arabia is giving researchers a rare glimpse into the lives of these gentle giants.  |
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