Cell cultures used in biology and medical research may not act as a faithful mimic of real tissue, according to research published in Genome Biology.

The study finds that laboratory-grown cells experience altered cell states within three days as they adapt to their new environment. Studies of human disease, including cancer, rely on the use of cell cultures that have often been grown for decades. The findings could therefore affect the interpretation of past studies and provide important clues for improving cell cultures in the future.

Archaeologists from the University of York and Queens College, City University New York (CUNY) have discovered the first use of pottery in north-eastern North America was largely due to the cooking, storage and social feasting of fish by hunter-gatherers.

Studying how pottery production in north-eastern North America developed 3000 years ago, researchers found that the increasing use of pottery was not simply an adaptive response to increased reliance on specific kinds of wild foodstuffs, as previously thought.

One in three people say they would risk living a shorter life instead of taking a daily pill to prevent cardiovascular disease, according to new research in Circulation: Cardiovascular Quality and Outcomes, an American Heart Association journal.

Researchers at the University of California San Francisco (UCSF) and the University of North Carolina at Chapel Hill surveyed 1,000 people (average age 50) via the Internet hypothetically asking how much time they were willing to forfeit at the end of their lives to avoid taking daily medication. They were also asked the amount of money they would pay and the hypothetical risk of death they were willing to accept to avoid taking medications to prevent cardiovascular disease.

The survey showed:

By Dan Jerker B. Svantesson, Co-Director Centre for Commercial Law at Bond University.

Cloud computing, by its very nature, transcends location, geography and territorial boundaries. Data accessed in one country might be stored half way across the world, or even in servers in multiple countries.

International law, on the other hand, sees the world through the lens of various jurisdictions, which are inherently linked to location, geography and territorial boundaries.

So when cloud computing and international law interact, sometimes the results can be highly problematic.

When we concentrate on something, we also engage in the unsung, parallel act of purposefully ignoring other things. A new study describes how the brain may achieve such "optimal inattention." With this knowledge, scientists at Brown University hope they can harness our power to ignore -- for instance, to reduce pain.

"This is about the mechanisms the brain is using to block out distracting things in the environment," said Stephanie Jones, assistant professor (research) of neuroscience at Brown and corresponding author of the study.

Ignore the hand, attend the foot

The largest rodent ever to have lived may have used its front teeth just like an elephant uses its tusks, a new study led by scientists at the University of York and The Hull York Medical School (HYMS) has found.

Josephoartigasia monesi, a rodent closely related to guinea pigs, lived in South America approximately 3 million years ago. It is the largest fossil rodent ever found, with an estimated body mass of 1000 kg and was similar in size to a buffalo.

Dr Philip Cox, of the Centre for Anatomical and Human Sciences, a joint research centre of the University's Department of Archaeology and HYMS, used computer modelling to estimate how powerful the bite of Josephoartigasia could be.