Russia won't be banned from the Olympics
The country's track and field team is still banned from competing.
China's deadly flooding problem strikes again
The latest round of flooding has killed more than 150 people and affected millions.
ISIS has claimed responsibility for Kabul attack
The attacks have heightened security fears in Afghanistan's capital.
Chinese scientists to edit human genes, a first
Patients who have incurable lung cancer or who haven't responded well to other treatments will undergo the first tests.