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Preserving biodiversity can be compatible with intensive agriculture

Preserving genetically diverse local crops in areas where small-scale farms are rapidly modernizing is possible, according to a Penn State geographer, who is part of an international research project investigating the biodiversity of maize, or corn, in hotspots of Bolivia, Peru and Mexico.

Reducing sibling rivalry in youth improves later health and well-being

Sibling conflict represents parents' No. 1 concern and complaint about family life, but a new prevention program -- designed and carried out by researchers at Penn State -- demonstrates that siblings of elementary-school age can learn to get along. In doing so, they can improve their future health and well-being.

Climate change had political, human impact on ancient Maya

The role of climate change in the development and demise of classic Maya civilization, ranging from AD 300 to 1000, has been controversial for decades because of a lack of well-dated climate and archaeological evidence.

Reactions to everyday stressors predict future health

Contrary to popular perception, stressors don't cause health problems -- it's people's reactions to the stressors that determine whether they will suffer health consequences, according to researchers at Penn State.