A new study reveals that developmental differences strongly influence dominance roles in twin relationships, with typically ...

"There is a penalty which low- to middle-income countries face," says Luke Thomas, CEO of the charity World Child Cancer ... the organization's impact has been relatively limited.

"There is a penalty which low- to middle-income countries face," says Luke Thomas, CEO of the charity World Child Cancer. "They often get access ... the organization's impact has been relatively ...

In wealthy countries, a child diagnosed with cancer often has an excellent chance of survival. But in lower resource countries, survival rates are... Every year, an estimated 400,000 children ...