Announcements

Falling fertility rates

Falling fertility rates

July 3, 2014

In the 1960s, scholar Paul R. Ehrlich warned that a looming global population explosion would usher in mass starvation and death by the end of the 20th century.

If recent data are any indication, Ehrlich’s fears may have been somewhat misplaced. For the past several decades, fertility rates have steadily declined around the world. But many analysts agree that those falling figures are tied to another set of problems.

Improving stem cells’ regenerative potential

Improving stem cells’ regenerative potential

July 1, 2014

Stem cell scientists scored what at first appeared an easy win for regenerative medicine when they discovered mesenchymal stem cells several decades ago. These cells, found in bone marrow, can give rise to fat, bone, and muscle tissue, and have been used in hundreds of clinical trials for tissue repair. Unfortunately, the results of these trials have been underwhelming. One problem is that these stem cells don’t stick around in the body long enough to benefit patients.

A rising tide

A rising tide

June 12, 2014

While Massachusetts K-12 students as a group consistently rank at or near the top in the nation for their academic performance, not every local school district has found the secret to success.

Unmasking a viral invader

Unmasking a viral invader

June 5, 2014

If you have it, you probably don’t know it. Cytomegalovirus, or CMV, is perhaps one of the biggest pathogens you’ve never heard of — big both proportionately and epidemiologically. It contains approximately 200 genes, compared to HIV’s paltry 18, and it’s everywhere. You can catch it as a preschooler salivating over blocks, or as a teenager experiencing your first kiss. Once you have it, you have it for life.