Science in the News: February 27 to March 5, 2013

Our roundup up of recent stories for the science classroom features the first successful treatment of an HIV-infected infant, dinosaurs as crocodile prey, the evolution of bacteria, and a new virus causes concern.

Researchers Describe First ‘Functional HIV Cure’ in an Infant (Science Daily, March 3, 2013)

The recent news that researchers have functionally cured an infant of an HIV infection is being covered by all of the major news media. The infant, born with HIV and treated with antiviral drugs, shows no sign of active HIV in their bloodstream. Contains links to original

How Did Early Primordial Cells Evolve? (Science Daily, Feb 28, 2013)

New discoveries on how bacteria replicate when lacking a cell wall help shed light on the early evolution of single-celled life, which lacked a cell wall in favor of a thinner, more delicate lipid membrane some 4 billion years ago.

Related articles on Ricochet Science: Bringing Planctomycetes to the Classroom

New Dinosaur Species: First Fossil Evidence Shows Small Crocs Fed On Baby Dinosaurs (Science Daily, Feb 28, 2013)

A new discovery by the South Dakota School on Mines and Technology has not only uncovered a new kind of small herbivorous dinosaur, but also found the first evidence of early crocodilians feeding on dinosaurs, a finding that has caused a stir in a commonly held theory: that Dinosaurs were the dominant species of their age.

Scientists race to understand deadly new virus (Science News; Feb 27, 2013)

In the Middle East and England, and new virus has affected 13 people and killed 7, causing scientist to fear a potential pandemic from this coronavirus-type disease that bears a striking resemblance to the SARS outbreaks of 2002 and 2003.

Related materials on Ricochet ScienceThe Viral Life Cycle (includes video)


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