Tag: PNAS
Living Murals: Wall Art Made by Photosynthetic Bacteria
Long suspected to be biological in origin, desert varnish is confirmed to be the product of light-gathering microbes that concentrate manganese as sunscreen.
Darwin’s Genie: Misapplied Natural Selection Continues
“Natural selection” is like a Swiss Army knife that researchers in widely different disciplines use to solve their problems.
“Designed for [a] Purpose” — Heme Production Defeats Evolution
Hemoglobin is well known as the molecule that transfers oxygen in blood, but its precursor, heme, is lesser known.
Life Fights Entropy with Intelligent Design
Consider: the best minds in science and engineering are trying to approach the capabilities of bacteria.
Hand Me Some Information: Using Finger Heat for Signals
Researchers show that the hand can reveal information as infrared light, which can be manipulated in multiple ways for encryption, illumination, and design.