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Stories by Cynthia Graber83 articles archived since 1845

Urban Food Foraging Looks Fruitful

Fruits growing wild in urban areas were found to be healthful and to contain lower levels of lead than what's considered safe in drinking water 

November 18, 2015 — Cynthia Graber

Fall Foliage Timing Comes into Clearer Focus

Researchers picked apart satellite imagery from two New England forest ecosystems to get a better handle on exactly what factors influence the timing of the color changes of the autumn leaves

October 20, 2015 — Cynthia Graber

Designer Probiotics for Cancer

New research on mice demonstrates a way to use designer bacteria as a non-invasive test for cancer.

October 2, 2015 — Cynthia Graber and Eliene Augenbraun

Ancient Human Ancestors Heard Differently

Early human species may have had sharper hearing in certain frequencies than we enjoy, to facilitate short-range communication in an open environment. Cynthia Graber reports

September 25, 2015 — Cynthia Graber

Chinese Cave Graffiti Agrees with Site's Drought Evidence

Researchers linked dated graffiti about droughts in a cave in China to physical evidence in the cave of the water shortages, such as changes in ratios of stable isotopes in specific layers of stalagmites  

August 18, 2015 — Cynthia Graber

Microbes Deep under Seafloor Reflect Ancient Land Origins

Microbes 2,500 meters below the seafloor in Japan are most closely related to bacterial groups that thrive in forest soils on land, suggesting that they might be descendants of ones that survived when their terrestrial habitat was flooded 20 million years ago  

August 6, 2015 — Cynthia Graber

Diminutive Peoples Took Different Paths to Petite

Adults of the west African Baka people and east African Efé and Sua peoples average less than five feet tall. But while the Efé and Sua are born small, the Baka have slow growth rates in infancy  

August 3, 2015 — Cynthia Graber

Active Duty Army Suicide Attempts Analyzed

Researchers gathered data from various Army databases to analyze nearly 10,000 attempted suicides of active duty personnel. Cynthia Graber reports  

July 15, 2015 — Cynthia Graber

Programmed Bacteria Can Detect Tumors

Sangeeta Bhatia of M.I.T. talks about efforts to get bacteria to home in on tumors and let us know they're there. Cynthia Graber reports  

June 23, 2015 — Cynthia Graber

What Gives the Coconut Ant Its Stink

One species of ant turns out to have a lot in common with blue cheese and rotting coconuts. Photo courtesy: 

June 22, 2015 — Eliene Augenbraun and Cynthia Graber

Ant Smells Like Blue Cheese for a Reason

The "odorous house ant" smells like blue cheese or rotten coconut because it produces chemical compounds similar to those found in its nose-sakes. Cynthia Graber reports  

June 15, 2015 — Cynthia Graber

Vaccine Aims at Fly Host of Disease Parasite

An experimental leishmaniasis vaccine relies on eliciting an immune response to a protein from the saliva of the sand fly that carries the leishmania parasite, rather than on anything from the parasite itself. Cynthia Graber reports  

June 3, 2015 — Cynthia Graber

Mummy Mavens Unwrap Preservation Methods

In 1994 researchers made a mummy. Now scientists have reverse engineered the process to figure out how it's done, with the mummy makers still around to tell them how they did. Cynthia Graber reports  

May 27, 2015 — Cynthia Graber

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