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Articles tagged with: biology

Written By: grant on April 1, 2014 No Comment

The Las Vegas Guardian Liberty Voice is turning back the hands of time with the latest study that promises to reverse aging:

The study was published in the peer reviewed science journal Cell after researchers from both the U.S and Australia made the breakthrough discovery. Lead researcher David Sinclair of the University of New South Wales says he is hopeful [...]

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Written By: grant on March 28, 2014 No Comment

Science Daily has a lively take on computing, with new circuits made of living slime molds:

Andrew Adamatzky (University of the West of England, Bristol, UK) and Theresa Schubert (Bauhaus-University Weimar, Germany) have constructed logical circuits that exploit networks of interconnected slime mold tubes to process information.

One is more likely to find the slime mold Physarum polycephalum living somewhere [...]

Written By: grant on February 28, 2014 No Comment

New Scientist takes a surprisingly nuanced look at the way things like oysters and shrimp might actually be responding to trauma. They’re not all the same. Research shows that, as much as we want a guilt-free crab boil, invertebrates do feel pain… some of them:

Unlike crustaceans, insects seem to have no pain-related behaviours. If an insect’s leg is [...]

Written By: grant on February 17, 2014 No Comment

Breastfeeding, the Australian Broadcasting Corp tells us, is a little more bespoke than one might expect:

“Mothers are producing different biological recipes for sons and daughters,” says Katie Hinde, an evolutionary biologist at Harvard University.

Studies in humans, monkeys and other mammals have found a variety of differences in both the content and the quantity of milk produced.

One common theme: [...]

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Written By: grant on December 11, 2013 No Comment

Nature uncovers the secret lives of creatures that never grow old:

A comparison of standardized demographic patterns across 46 species, published today in Nature, suggests that the vast diversity of ‘ageing strategies’ among them challenges the notion that evolution inevitably leads to senescence, or deterioration of mortality and fertility, with age, says Owen Jones, a biologist at the University [...]

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Written By: grant on August 27, 2013 No Comment

Discovery takes a long look at a slow death… watching life leave cell by cell… bit by bit:

David Gems from the Institute of Health Aging at University College London, who led the study, explained:

“We’ve identified a chemical pathway of self-destruction that propagates cell death in worms, which we see as this glowing blue fluorescence traveling through the body. It’s [...]

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Written By: grant on August 24, 2013 No Comment

SONG: “Regenerative Medicine” (To download: double right-click & “Save As”)

ARTIST: grant.

SOURCE: Based on “Decellularized Mouse Heart Beats Again After Regenerating With Human Heart Precursor Cells,” Science Daily, 13 August 2013, as used in the post “A regenerated heartbeat.”

ABSTRACT: Maybe I should count this one as late, but I’m still awake and when I woke [...]

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Written By: grant on August 14, 2013 No Comment

Science Daily reports on a rebuilt heart – a mouse heart remade with human stem cells – that they’ve gotten to start beating:

For the first time, a mouse heart was able to contract and beat again after its own cells were stripped and replaced with human heart precursor cells, said scientists from the University of Pittsburgh School [...]

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Written By: grant on August 6, 2013 No Comment

Nature has the details on what it takes to come back from a decapitation:

Knocking out a single gene can switch on a worm’s ability to regenerate parts of its body, even enabling it to grow a new head. The fact that such a simple manipulation can restore healing abilities provides new insight into how the stem cells involved [...]

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