Health

UK to Test Use of Blood Made from Stem Cells Within Three Years

Len Rosen's picture

I'm a regular blood donor. My blood type is "A," "Rh+." That can tell you a lot about your origins. But what I get excited about is the promise of finding a process by which we can end blood transfusions forever, mass producing all the blood we need rather than tapping the veins of donors every 56 days to keep an adequate blood supply in hospitals and clinics around the world.

Racism’s Unexpected Tolls

Lack of resilience against discrimination may be a factor in the aging process.

Gizmos & Gadgets: New Startup Prototypes Affordable Hearing Device

Len Rosen's picture

Two things make their hearing device so interesting.

China to Use Drones to Combat Urban Pollution

Len Rosen's picture

March 16, 2014 - I have written several blog postings about China's enormous problem with urban smog. It is so bad at times that the government has been forced to declare war on polluters and pollution.

New App Measures Blood Oxygen Levels using Smartphones, Tablets and Laptops

Len Rosen's picture

March 15, 2014 - How time has past. This is my 801st posting to the 21st Century Tech blog. To think I started just a little over four years ago and am still going like the Eveready bunny.

New Origami Paper Microscope Takes 20 Minutes to Assemble and Could Revolutionize Tropical Disease Medicine

Len Rosen's picture

March 15, 2014 - Talk about bringing science to the masses, a Stanford University bioengineer, Dr. Manu Prakash, along with a number of his fellow colleagues, have created an inexpensive paper microscope that can be stomped on, dunked in water, and thrown from a third storey balcony and still work. You fold it just like origami.

Gizmos & Gadgets: New Blood Pressure Tracking Device Works with Smartphone

Len Rosen's picture

February 8, 2014 - It's called QardioArm and it provides users with a blood pressure monitoring system that tracks your systolic and diastolic pressures plus heart rate and keeps a comprehensive history with its accompanying smartphone app.

Does Smoking Drive Us to Drink?

Nicotine, combined with stress hormones, affects brain chemistry in a way that may increase alcohol use.

Genome Editing Technology Promises New Ways to Treat Diseases

Len Rosen's picture

December 3, 2013 - A Cambridge, Massachusetts startup, Editas Medicine, is on a mission to develop life-changing treatments of diseases through a method called genome editing. This involves modification of the human genome to treat diseases at a genetic level.

Biomedicine Update: New Stem Cell Therapy Treats Heart Failure

Len Rosen's picture

December 2, 2013 - Two cardiothoracic surgeons at University of Utah Health Care have teamed up to deliver stem cells to a damaged heart in what is described as retrograde heart therapy. The procedure is performed through a catheter and therefore is minimally invasive. It involves injecting stem cells directly into a patient's heart to improve its function.

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