The Top 10 Everything of 2010

An awful lot of frogs could have avoided dissection if they'd been more like the members of the Centrolenidae family, a collection of frog species with transparent skin. A particularly adorable Centrolenidae specimen was discovered in Ecuador last year, so transparent that its beating heart is clearly visible. The new frog may be only one of about 150 glass frog species across South and Central America, but it's surely the cutest.