Hundreds of students ranging from fourth-graders to high school seniors across New York State are engaging in a hands-on scientific project with Cornell University by collecting water samples and evaluating environmental DNA to monitor the spread of invasive fish species, providing a real-world lesson in ecology and environmental management.

A new study of shark DNA, including from great white and great hammerhead sharks, reveals unique modifications in their immunity genes that may underlie their rapid wound healing and possibly higher resistance to cancers.