End of an era: Last space shuttle comes home.
Applause, but no tears in Mission Control at end.
Hot nights can compound danger from heat waves.
iFraud: Entire Apple stores being faked in China.
Shuttle workers face layoffs, diminished staff.
Heat and humidity conspire for discomfort, danger.
Living-long paper withdrawn after data questioned.
Teaching evolution up for debate again in Texas.
Future of spaceflight? NASA is outsourcing the job.
Lack of sperm coating plays role in infertility.
