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The Earliest Human Appearances in the Americas

Yukta Kulkarni ’22 Humans have been populating Earth for hundreds of thousands of years, mainly inhabiting areas in East and South Africa. It was thought that humans had first arrived in the Americas around 15,000 years ago. However, new findings from excavations at Chiquihuite Cave in central-northern Mexico provide evidence that humans could have been present thousands of years earlier than originally predicted, an estimation … Continue reading The Earliest Human Appearances in the Americas

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2017-18

Dandelions, Tulips, and Orchids: A Flower Metaphor for Human Sensitivity

By Maryna Mullerman ‘20 In humans, various responsiveness to external stimuli has been attributed to individual differences. Leading human environmental sensitivity theories suggest that heightened sensitivity to negative environmental influences correlates with elevated tendency to benefit from positive environmental influences. The novel orchid-dandelion metaphor describes more sensitive individuals as orchids and less sensitive individuals as dandelions. Francesca Lionetti and researchers from the Queen Mary University … Continue reading Dandelions, Tulips, and Orchids: A Flower Metaphor for Human Sensitivity

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Figure 1. Human viability depends on many genetic variants, including those of evolutionary importance.
2017-18

What Affects Human Viability?

By Maryna Mullerman ’20 Human viability is the survival of individuals after birth, and more research is needed to understand how associated genetic factors affect human survival and life expectancy. Dr. Hakhamanesh Mostafavi and researchers at Columbia University in New York developed a method to recognize genetic variants that influence human survival. The proposed method would provide information about human fitness in the environment and … Continue reading What Affects Human Viability?

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