Archive of articles published on the 4th of July 2013

Exercise reorganizes the brain to be more resilient to stress
UF researcher shows hawkmoths use ultrasound to combat bats
Antifreeze, cheap materials may lead to low-cost solar energy
Cockatoos 'pick' puzzle box locks
Key factors in understanding differences in rates of birth defects identified
Climate change deniers using dirty tricks from 'Tobacco Wars'
After millennia of mining, copper nowhere near 'peak'
Evidence suggests Antarctic crabs could be native
Study of mitochondrial DNA ties ancient remains to living descendants
Archaeologists unearth carved head of Roman god in ancient rubbish dump
White dwarf star throws light on possible variability of a constant of Nature
Spider webs more effective at ensnaring charged insects
Fossil insect traces reveal ancient climate, entrapment, and fossilization at La Brea Tar Pits
Lifesaving HIV treatment could reach millions more people following landmark study