If you've ever had a sack race, you know it's a real knockout for kids and adults alike.

A significant past study on the systematics of Poaceae provided weak support for the sister relationship of Panicoideae to the CMAD clade (bs value: 61 %) as well as between the micrairoid/arundinoid and danthonioid/chloridoid clades (bs values: 51 %).

Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus. … A photo processing technique called focus stacking has changed that. Developed as a tool to electronically combine the sharpest bits of multiple digital images, focus stacking is a boon to biologists seeking full focus on a micron scale.

At the microplastic scale, bans of microbeads in wash-off personal care products are now widespread globally.