Growing human, perfectly matching organs inside a pig and then transplanting them into humans is not a new idea - it may revolutionize medicine - but a new discovery may also allow pig tissue to be transplanted directly into humans. The research in the Journal of Leukocyte Biology may lead to filling the short term lack of organs for human transplantation.
Altering or overexpressing the human programmed death ligand-1 (PD-L1) molecule in the endothelial cells of pig arteries reduced the conditions that lead to rejection, it says. This strongly suggests that successful Xenotransplantation means humans could receive altered porcine organs with fewer complications.
We've all had an Asian person say, 'All you Americans look alike' - but they aren't being racist, there may be some biology at work.
The brain works differently when memorizing the face of a person from one's own race, according to a study which used EEG recordings to measure brain activity and which may shed light on one of the most replicated psychology findings - that people are less likely to remember a face from a racial group different from their own.
If you pay a lot of taxes and get little to show for it, you don't have much trust in government, but if you are in a disaster-prone area, you have more confidence in government than most, say researchers in the International Journal of Wildland Fire.
Here's a way to make the bloated costs of health care reform seem more palatable to opponents - it will knock 220,000 illegal immigrants out of the health care system just in California alone.
A new policy brief from the UCLA Center for Health Policy Research says up to 20 percent of all uninsured children in California are those of illegal immigrants, but even some who are here legally may not apply because of confusing rules in The Patient Protection and Affordable Care Act of 2010 (ACA) , known colloquially, thanks to pundits like Bill Maher and detractors in the debate, as ObamaCare.
Too lazy to exercise? In a world full of concern about global warming and estrogen in rivers and anti-vaccine hippies trying to bring back polio, science has some good news for a change; even if you are sedentary, a glass of red wine may offset some of the effects just like exercise would.
A new study in the FASEB Journal suggests that resveratrol in red wine may prevent the negative effects of a sedentary lifestyle, which is good news for couch potatoes and even astronauts. The report describes experiments in rats that simulated the weightlessness of spaceflight, during which the group fed resveratrol did not develop insulin resistance or a loss of bone mineral density, as did those who were not fed resveratrol.
Botany: A Blooming History
And now we return to part one of this series
Our own body is covered with entire (albeit tiny) ecosystems. Incredible numbers of bacterial strains live in and on the human body. And the belly button seems to be a place extraordinarily rich in bacterial passengers. The Belly Button Biodiversity Project took samples from the navels of volunteers and went to work, performing DNA analysis on the bacteria that were found there.
(Source: Belly Button Biodiversity Project)
History Mysteries #1 - Who Shot The Tomatoes?
or
The Astonishment of a Sailor on Finding Buckshot in His Portion of Tomatoes.
Hidden in the details of the Jeannette Expedition one finds a factor in common with the Franklin Expedition: lead poisoning.
The Jeannette Expedition
According to an astrophysicist at UC Santa Barbara, 'zombie' stars may be a way to measure dark energy. Type Ia supernovae are stars that have been observed since 1054 A.D., when an exploding star formed the crab nebula, a supernova remnant.
Theoretical dark energy should make up about three-fourths of the universe, says Andy Howell, adjunct professor of physics at UCSB and staff scientist at Las Cumbres Observatory Global Telescope (LCOGT).
An article in Marine Ecology Progress Series found evidence of plastic waste in more than nine percent of the stomachs of fish collected during a recent voyage by graduate students from Scripps Institution of Oceanography at UC San Diego to the North Pacific Subtropical Gyre - also known as the "Great Pacific Garbage Patch.".
Based on their evidence, authors Peter Davison and Rebecca Asch estimate that fish in the intermediate ocean depths of the North Pacific ingest plastic at a rate of roughly 12,000- to 24,000 tons per year.
