Stories by John Hewitt

Cannabinoids control memory through mitochondria

(Medical Xpress)—Few classes of drugs have galvanized the pharmaceutical industry in recent times like the cannabinoids. This class of molecules includes not only the natural forms, but also a vast new treasury of powerful ...

Nov 18, 2016

Checkmate for Castleman disease

(Phys.org)—Dr. David Fajgenbaum is the founder of Castleman Disease Collaborative Network. Its goal is to organize patients with Castleman disease (CD), find an explanation for this rare and enigmatic immunological disorder ...

Nov 14, 2016

New liquid biopsy techniques at the bleeding edge of cancer

(Medical Xpress)—There's many buzzwords being thrown around in medicine these days. In cancer treatment, blanket terms like "precision medicine" and "immunotherapy" hint at the promise of a rapidly changing technology base, ...

Jun 10, 2016

The Flyboard Air hoverboard

When you post video of your new jet powered hoverboard, and half the world thinks it has to be fake, you know you've got something good. But Frank Zapata's Flyboard Air is no hoax, it's the real deal. How does one know? All ...

Apr 16, 2016

New evidence for the vibration theory of smell

(Phys.org)—The predictive power and galvanizing influence that theoretical models routinely enjoy in physics is only rarely replicated in biology. Lord Raleigh's theory of sound perception, Francis Crick's sequence and ...

Feb 22, 2016

Macrophages create the elusive spermatogonial stem cell niche

(Phys.org)—Every organ strikes its own balance between self-renewal and differentiation. At one extreme is the brain, where only a few isolated outposts are known to contribute to a largely quiescent population. At another ...

Sep 03, 2015

Reprogramming the oocyte

(Phys.org)—Among other things, the egg is optimized to process the sperm genome. The cytoplasmic factors that make this possible also give the egg the ability to reprogram the nuclei from other kinds of cells if these nuclei ...

Aug 26, 2015