You Find It - 9
Full house raises risk of hospital deaths, study finds
20:01 09-03-2010; source: www.sciencedaily.com
A full house isn't always a good thing, according to a new study that links high hospital occupancy to higher death rates for patients. High occupancy periods are a challenging time when more things can go wrong, authors say. Researchers evaluated records at 39 Michigan hospitals to study a set of factors that can affect hospital deaths. The large scale study can provide lessons for hospitals across the country.
Deceptive model: Stem cells of humans and mice differ more strongly than suspected
20:01 09-03-2010; source: www.sciencedaily.com
Mice are in many ways similar to Homo sapiens on a fundamental level. That is why the law in this part of the world only permits scientists to conduct research on human embryonic stem cells when they have clarified in advance their specific questions by using animal cells as far as possible. However, such tests are often pointless -- and sometimes even misleading, as a recent study demonstrates.
Mathematical model may offer better understanding of embryonic development
19:43 09-03-2010; source: www.sciencedaily.com
A mathematical model can predict complex signaling patterns that could help scientists determine how stem cells in an embryo later become specific tissues, knowledge that could be used to understand and treat developmental disorders and some diseases.
Smelling scenery in stereo: Desert ants perceive odor maps in navigation
19:37 09-03-2010; source: www.sciencedaily.com
Desert ants are well-known for their remarkable orientation: they use a compass along with a step counter and visible landmarks to locate their nest. After researchers discovered that these ants can navigate also by using olfactory cues, they now found that the animals even can take advantage of the distribution of different odors in a map-like manner by utilizing their antennae to smell their environment in stereo.
Mathematical model may offer better understanding of embryonic development
19:37 09-03-2010; source: www.sciencedaily.com
A mathematical model can predict complex signaling patterns that could help scientists determine how stem cells in an embryo later become specific tissues, knowledge that could be used to understand and treat developmental disorders and some diseases.
Smelling scenery in stereo: Desert ants perceive odor maps in navigation
19:07 09-03-2010; source: www.sciencedaily.com
Desert ants are well-known for their remarkable orientation: they use a compass along with a step counter and visible landmarks to locate their nest. After researchers discovered that these ants can navigate also by using olfactory cues, they now found that the animals even can take advantage of the distribution of different odors in a map-like manner by utilizing their antennae to smell their environment in stereo.
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