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Female Meerkats Compete To Outgrow Their Sisters

Meerkats live in groups of up to 50 individuals, yet a single dominant pair will almost completely...

Scientists Discover How Supermassive Black Holes Keep Galaxies Turned Off

An international team of scientists has identified a common phenomenon in galaxies that could explain...

Out Of Tune: Mismatch Of Vascular And Neural Responses Suggests Limits Of FMRI

In an article published online ahead of print on May 25, 2016 in Nature, investigators at the...

Investigating How 'chemo Brain' Develops In Cancer Patients

During and after chemotherapy, many cancer patients describe feeling a mental fog, a condition...

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Among cancer deaths worldwide, lung cancer is the leader. 

It isn't just the tumor cells, the growth of blood vessels controls tumors development and blood vessel growth is controlled by several signalling molecules. Scientists have discovered a molecule, phosphodiesterase PDE4, that plays a key role in this process and they have succeeded in reducing tumor growth in their experiments by blocking it.
Stars live for a long time - millions of years - but near the end of their lives, some massive stars go through what astronomers call the yellow supergiant phase.

Because the timeframe is so short, cosmically, witnessing a yellow supergiant phase is rare - almost as rare as a Kardashian staying married when ratings slip.  Like with celebrity relationships, if you want to witness the big meltdown you have to stay vigilant in astronomy. And keep your camera running.
The iconic Coelacanth are fish well-known as ‘living fossils’. Coelacanths were thought to have died out with the dinosaurs and then a living one was caught off the coast of South Africa in 1938, sending waves of excitement throughout the scientific world. 
Clinical studies, the central means by which preventive, diagnostic, and therapeutic strategies are evaluated,  that were registered between 2007-2010 were dominated by small, single-center trials and contained significant heterogeneity (different in nature, difficult to compare) in methodological approaches, including the use of randomization, blinding, and data monitoring committees, according to an analysis in JAMA
Giant flea-like animals, possibly the oldest of their type ever discovered, bit creatures much larger than they are 165 million years ago - and lived to talk about it.

These flea-like animals, were similar to modern fleas but 10 times the size of a flea you might find crawling on your family dog – with a
proboscis and an extra-painful bite to match.  Dinosaurs were likely not amused.
A new imaging study shows the brains of embryonic chicks can 'wake' long before chicks are ready to hatch out of their eggs - but it took loud, meaningful sounds. Playing meaningless sounds wasn't enough to rouse their brains.

As modern medicine continues to push back the gestational age at which prematurely born infants can reliably survive, pediatricians have worried about the effects of stimulating brains that are still 'under construction'. It turns out that,like adult brains, embryo brains also have neural circuitry that monitors the environment to selectively wake the brain up during important events.