(133) results in Blog

Methicillin-resistant Staphylococcus aureus (MRSA), shown in pink. Photo credit: National Institute of Allergy and Infectious Diseases (NIAID)

April 8, 2015

MRSA meets its medieval match

In his 1945 Nobel Prize speech, Alexander Fleming warned that misusing antibiotics would lead to resistance in microbes. Fast forward 70 years and zoom in on MRSA: It’s contagious, it’s dangerous, and it resists the antibiotics...

Indian Collecting Cochineal with a Deer Tail by José Antonio de Alzate y Ramírez (1777)

April 6, 2015

Bugs to Dye for: The Colorful Science and History of Cochineal

What gives that red hue to your strawberry yogurt or the pinkish tint to the vitamin tablet you take every morning? It just might come from an insect. For hundreds of years, a small, parasitic bug...

Bee Hummingbird (Mellisuga helenae)
©Rafy Rodriguez

March 19, 2015

The ecological jewel to our south: Environmental implications of normalized U.S.-Cuba relations

Satellite view of Cuba ©NASA/Goddard Space Flight Center Scientific Visualization Studio The Obama Administration’s announced change in diplomatic relations with Cuba heralds the start of a new relationship between the Caribbean island nation and the U.S. Though...

freewriting2

March 12, 2015

Writing to Learn in the Science Classroom

Education in the United States, particularly in the K through 12 arena, has been a hotbed of public debate in the last decade, heating up more recently in controversies surrounding Common Core. While few would argue...

SONY DSC

January 20, 2015

Copper shines in fight against germs

From centuries-old time capsules to modern medical centers, copper shines as the metal of choice to preserve and protect. Case in point:  A time capsule first buried in 1795 by Paul Revere and Samuel Adams was...

Nicolaus Steno Portrait

January 9, 2015

Nicolaus Steno: An Unlikely Geology Genius

Portrait of Nicolaus Steno as a bishop. Image courtesy: Wikimedia Commons Nicolaus Steno could not have guessed that he would one day be known as a father of modern geology on the fateful day in October...

526px-Parallel_telomere_quadruple

December 29, 2014

Telomeres, Stress, and the Mediterranean Diet

Just as you must wrap the ends of a strand of dental floss around your fingers in order to clean between your teeth, chromosomes of eukaryotes (the kind of life that includes humans) must have slack...

Global atmospheric carbon dioxide concentrations from Oct. 1 through Nov. 11, as recorded by NASA's Orbiting Carbon Observatory-2. 
Image credit: NASA/JPL-Caltech

December 20, 2014

A Year in Review: Scientific Advancements of 2014

As we wrap-up another year, it seems appropriate to take some time to think about the scientific advancements made in the past twelve months. From landing on comets to discovering new species in the deepest parts...

800px-Gulo_gulo_2

December 17, 2014

Wolverines Give Insight into the Evolution of Greed

Cross-posted with the permission of Dr. Nathan Lents from his The Human Evolution Blog.   Greed is often defined as the intense and selfish desire for something, especially wealth, power, or food. Although we usually associate this unseemly...

The rare western glacier stonefly lives in Glacier National Park and thrives in its icy streams. (Credit: Joe Griersch, USGS)

December 12, 2014

A cold-loving insect confronts a warming world

Today marks the end of two weeks of climate negotiations in Lima, Peru, where world leaders gathered to address the growing threat of climate change. Much of the conversation at the UN conference revolved around the...