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Science News Archive April 2011 - Page 19


Page 19 of 26

Ancient fossils hold clues for predicting future climate change, scientists report

Scientists have discovered ancient mollusk fossils that may indicate how warm the planet will become if carbon dioxide levels are stabilized at current values. The findings suggest summertime Arctic temperatures could increase by 2-5 degrees Fahrenheit, leading to a permanent ice cap melting and further heating the planet.

SourceUniversity of California - Los Angeles·JournalEarth and Planetary Science Letters·DateApr 7, 2011

Political views are reflected in brain structure

A new report links differences in brain structure to political orientation, finding that liberals have larger anterior cingulate cortexes and are better at coping with conflicting information, while conservatives have larger amygdalas and are more sensitive to threats.

SourceCell Press·JournalCurrent Biology·DateApr 7, 2011

Freeway air bad for mouse brain

A new study reveals that exposure to vehicle pollution can cause significant brain damage in mice, including signs of memory loss and Alzheimer's disease. The tiny particles from burning fossil fuels and weathered car parts are too small for filters to trap, raising concerns about human health.

SourceUniversity of Southern California·JournalEnvironmental Health Perspectives·DateApr 7, 2011

Rethinking reprogramming: A new way to make stem cells

Researchers have discovered a new way to reprogram adult cells into an embryonic stem cell-like state using specific microRNAs and Hdac2 suppression, offering a more efficient alternative to traditional methods. This breakthrough could lead to improved strategies for developing stem cells for therapeutic use.

SourceCell Press·JournalCell Stem Cell·DateApr 7, 2011

Soy increases effectiveness of radiation at killing lung cancer, Wayne State study shows

A Wayne State University study found that soy isoflavones can sensitize cancer cells to radiation while protecting normal tissue. The study demonstrated that soy isoflavones can block DNA repair mechanisms in cancer cells, leading to increased killing of lung cancer cells by radiation

Through evolution, cavefish have lost sleep

Researchers studying Mexican Blind Cave Fish found that cave-adapted fish sleep less and are more active than their surface-dwelling relatives. The discovery suggests that the transition to a dark environment may be associated with changes in sleep behavior, potentially due to the need for continuous vigilance to find food.

SourceCell Press·JournalCurrent Biology·DateApr 7, 2011

Scientists have new measure for species threat

A new index called SAFE (Species Ability to Forestall Extinction) measures how close a species is to extinction. The index provides a formula for calculating the minimum viable population size, allowing conservationists to prioritize resources on species most likely to be brought back from the brink of extinction.

SourceUniversity of Adelaide·JournalFrontiers in Ecology and the Environment·DateApr 7, 2011

Michigan's collaborative quality improvement program cuts costs, improves patient care

A collaborative quality improvement program between Blue Cross Blue Shield of Michigan and the University of Michigan Health System has improved safety and quality in several clinical areas, resulting in significant cost savings. The program achieved measurable drops in surgical complications, with a reduction of $20 million annually.

Here's looking at you!

Infants exhibit stable patterns of attention during interaction, with gaze duration influenced by previous gazes. This finding suggests a building block of intentional action and may help understand human social interactions.

SourceUniversity of Miami·JournalInfancy·DateApr 6, 2011

UPCI, Pitt researchers present findings of cancer studies at AACR 102nd Annual Meeting

Researchers from UPCI and Pitt will present over 80 posters, talks, and tutorials on various cancer studies, including the effects of immunomodulatory derivatives on blood cell production pathways and the role of inflammatory mediators in immune system dysfunction. Additionally, they will discuss the development of vaccines targeting p...

Having trouble sharing or understanding emotions? MU researcher believes affection could help

A recent study suggests that affectionate communication, such as hugging, can help individuals with high levels of alexithymia form more fulfilling relationships and reduce anxiety. Researchers surveyed 921 people and found that sharing affection reduces the negative impact of alexithymia on relationships.

SourceUniversity of Missouri-Columbia·JournalPersonality and Individual Differences·DateApr 6, 2011

The self-made eye: Formation of optic cup from ES cells

ES cells can differentiate into retinal precursors and form an optic cup-like structure in vitro without external signaling sources. The tissue undergoes a four-step morphological rearrangement to assume the optic cup shape, driven by cell division and epithelial expansion.

SourceRIKEN·JournalNature·DateApr 6, 2011

Vegans' elevated heart risk requires omega-3s and B12

A review of vegetarianism's biochemistry suggests that vegans may be at higher risk for blood clots and atherosclerosis due to low levels of essential nutrients. Increasing dietary omega-3 fatty acids and vitamin B12 can help mitigate these risks, particularly through sources like salmon, walnuts, and fortified milk.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateApr 6, 2011