Browsing Category

sciences

Highways Could Help Bears and Butterflies

From Ensia (find the original story here); reprinted with permission. May 19, 2017—Late last August, armed with a sweep net and identification guides, Sarah Piecuch was looking for butterflies. She trudged through waist-deep grasses,…

If I were a Martian, I’d start running now

We come in peace…Jim Watson/AFP/Getty By Adam RobertsExploration is so core to science fiction we might almost rename the genre “Exploration Fiction”. The genre is defined by, and packed with, stories of exploring space (“to boldly go” and…

When Dogs Hear a Growl, They Know What to Do

I have been scaring dog lovers for nearly a decade, and Tamas Farago—lead researcher behind a new study on dog growls and cross-species communication—is mostly to blame. I met Farago in 2010 when visiting his research group—the Family Dog…

Shaking the Dinosaur Family Tree

On November 24, 1887, naturalist Harry Govier Seeley stood before London’s Royal Society to make one of his most important contributions to paleontology. His paper was “On the Classification of the Fossil Animals commonly named Dinosauria”…

What Does Compactness Really Mean?

I don’t think I’ve spent more time with a mathematical definition than I did with compactness. It is an important mathematical property and one that initially left me entirely bewildered. There are two definitions of compactness. One is…