dna

Molecular biologist Stewart Loh shares his research that will combine DNA and protein engineering. Neuroscientist Hannah Phillips discusses the loss of empathy in some types of dementia. Assistant Dean Dimitra Bourboulia explains the value of future doctors conducting medical research as students.

Graduate student Deanna Clemmer shares fun science experiments kids can do at home; she works in the laboratory of Harry E. Taylor. Biochemist/molecular biologist Wenyi Feng provides a brief explanation of the importance of DNA in our bodies. And stroke neurologist Hesham Masoud, MD, offers points to consider before visiting a marijuana dispensary.

Modern genomes from Nigeria and Sierra Leone show signals that scientists call "ghost" DNA — from an unknown human ancestor. That means that prehistoric humans likely procreated with an unknown group.

It all started with a fossil.“We have this polar bear jawbone from the Svalbard archipelago in the North Atlantic,” says Charlotte Lindqvist, a professor…