Science Sunday 05-06-17

The Coming Great American Solar Eclipse of 2017

On August 21st, there will be a total solar eclipse across a vast swath of the continental United States.  The eclipse will cross the US diagonally, from Oregon to South Carolina.  It will pass over the Midwest around 1:30 pm, and it will last about 2 minutes.

This is the first total solar eclipse across the continental US in roughly 100 years, so try to make some arrangements to see it.

For a more detailed analysis of this upcoming solar eclipse, watch this well crafted video:

For even more detail, click on this fascinating science news article.

Regenerative Medicine

One of my students recently gave a fascinating talk on regenerative medicine, the field where organs are grown in laboratory conditions from pluripotent stem cells.  In the above video, we learn about how scientists grew part of a human brain, and how this research may lead to therapies for the microcephaly caused by the Zika virus.


A student passed on to me news that the HIV virus has been successfully eliminated from all cells in infected mice using the CRISPR system.  This is exciting news, and you can read about it here.

Synthetic Retina

Scientists at Oxford report that they have developed biologically acceptable synthetic retinal implants that may well restore vision in people suffering from macular degeneration and retinitis pigmentosa.

Vi Hart Does Music and Noise

I love Vi Hart, who usually does delightfully frenetic math videos, but lately she has been branching out with music, both singing and musical instruments.  Here we see a pretty thorough explanation of sound production and sound perception.

Author: Bob Mahoney

Physics teacher

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