Numbers

By Val Castronovo, Matthew Cooper, Autumn De Leon, Daniel S. Levy, Lina Lofaro, Chris Taylor and David E. Thigpen

$1.2 billion How much Microsoft president Steve Ballmer lost last Thursday, after he said his 240 million Microsoft shares were overvalued

7[cents] How much Apple CEO Steve Jobs lost on his single Apple share that day

$72.1 million Cost of recent U.S. presidential trips to Chile, China and Africa, not including Secret Service expenses

2,200 Number of government staff members who went on the trips, most to help with logistics

200 Number of U.S. troops currently helping with logistics in East Timor

80,000 Former estimate of number of genes in the human body

140,000 Estimated number of human genes, based on new research

12% Percentage of our DNA that's been decoded by the nine-year-old Human Genome Project

3 Number of years left before the project reaches its deadline

Sources: USA Today, Money.com General Accounting Office, CNN, Human Genome Project