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Fighting Skin Cancer with Vitamin B3

May 20, 2015

May is National Skin Cancer Awareness Month, so what better time to announce the results of a promising new study by Australian researchers: An inexpensive vitamin pill reduced new occurrences of the most common types of...


Neanderthal maxilla. Credit: Joan Costa/Spanish National Research Council

Did Neanderthals Divide Labor by Gender Roles?

May 11, 2015

Cross-posted with the permission of Dr. Nathan Lents from his The Human Evolution Blog.   It is not uncommon among social mammals to engage in division of labor between the sexes. Female lions do all of the...


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2015 – The International Year of Light

May 5, 2015

  Most of us rarely think about light since it is a constant presence in our lives – from the abundant rays of sunshine during a morning commute, to the bulbs that illuminate a darkened room...


Warm waters in the Pacific Ocean have disrupted marine ecosystems and North American weather. (Credit: NOAA)

Of sardines, sea lions, and “the blob” in the Pacific

April 17, 2015

If you’ve been following the news about the Pacific Ocean, there’s a lot going on these days. First, there have been the heartbreaking deaths of thousands of starving sea lion pups along the California coast. Then,...


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

MRSA meets its medieval match

April 8, 2015

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...




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Writing to Learn in the Science Classroom

March 12, 2015

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...


Here's a Landsat image of phytoplankton blooms in the Baltic Sea, which reminded NASA scientists of a Van Gogh's Starry Night painting. (Credit: NASA's Goddard Space Flight Center/USGS)

A stunning week of #SciArt draws to a close

March 6, 2015

This week, Scientific American’s Symbiartic blog decided to try something new: they asked Twitter users to tweet pictures of scientific art — from spectacular satellite photos to science-inspired quilts — accompanied by the hashtag #SciArt. The...