(Date:5/23/2013)... 284 million tons of cargo, transit the Panama Canal each ... the Panama Canal Authority. Each time a ship passes through, ... Gatun Lake, which is also a source of water for ... However, the advent of very large "super" cargo ships, now ... demanded change. The Panama Canal is being expanded to create ...
(Date:5/23/2013)... The tight wrapping of genomic DNA around nucleosomes ... gene expression. A team of Ludwig-Maximilians-Universitaet (LMU) in ... DNA to be locally displaced from nucleosomes for ... is stored in the cell nucleus, wrapped around ... pairs of four different histone proteins and accommodating ...
(Date:5/23/2013)... A new report from the Institute of Medicine ... in at least 60 minutes of vigorous or moderate ... than half of American youth meet current evidence-based guidelines ... intensity physical activity daily, according to the report, which ... school for nearly half of their waking hours, the ...
Breaking Biology News(10 mins):Reforestation study shows trade-offs between water, carbon and timber 2Reforestation study shows trade-offs between water, carbon and timber 3Biochemistry: Unspooling DNA from nucleosomal disks 2Schools should provide students with daily physical activity, IOM recommends 2