He says his team's research is influenced by questions in evolutionary biology about why people and groups use costly punishment.

VOA: special.2009.03.03

The University of Miami was just one of the international groups that sent a team of doctors to Haiti.

VOA: special.2010.02.01

The team also looked at two groups among the people in the study.

VOA: special.2009.06.23

The second team for groups A to D will be chosen from category four, the third side taken from category three, while a team from category two completes each quartet.

BBC: Caf president Issa Hayatou

In team competitions, groups of three compete against each other, with a fencer from each team competing in bouts of up to three minutes.

WSJ: The Finer Points of Balancing Fencing and Family

On Take Back Day, local law enforcement and community groups team up with the Drug Enforcement Administration to collect unused medications so they can be disposed of safely.

WHITEHOUSE: Protecting Our Environment and Our Health: Earth Day + National Take-Back Day | The White House