Academy of Natural Sciences

APRIL 20, 2021

Although the three 17-year cicada species occur across the eastern half of North America (from Kansas to the Atlantic Ocean) the different populations of the species don’t have the adults emerging in the same 17-year cycle. Brood II – next emergence in 2030 (last in 2013). This year they keep calling it Brood X. What does that mean?

2004 98

2004 Environmental Science 2008 2013 98

Academy of Natural Sciences

SEPTEMBER 8, 2022

On a beautiful sunny day in early summer, a group of community scientists led by Ron Smith — a Drexel University BEES instructor and high school environmental science teacher — was making the most of the beachy breeze on the Delaware Bay. Red knots Calidris canuta , with horseshoe crabs, Delaware Bay, NJ © Doug Wechsler/VIREO.

Endangered Species Act 105

Endangered Species Act Climate Change Conservation Environmental Science 105

Academy of Natural Sciences

NOVEMBER 11, 2021

The first project in the Academy of Natural Sciences’ yearlong focus on water renews our appreciation for the vital element of water through artworks that combine the marvel and insight of both scientific and artistic inquiry. of Natural Sciences and?Drexel Nature’s Hidden Gems ? . 1907-2013),?these?single-celled

Natural Sciences 94

Natural Sciences 2013 Atmosphere Ocean 94