Tag: PNAS
Brother, Can You Spare a Nickel? It’s Essential for Life, and Likely an Indicator of Intelligent Design
Nickel is an essential element in the human body, but too much is toxic. Here’s another element our planet had to provide.
Could Blind Forces Build a Self-Replicating Molecule?
Rob Stadler and Eric Anderson examine a recent paper on the origin of life, “An RNA Polymerase Ribozyme that Synthesizes Its Own Ancestor.”
Starship Enterprise: Fungal Transposons Boldly Go
Newly recognized large transposable elements in fungi dubbed Starships may not be selfish after all.
Balance: Bipeds Need It; Where Did It Come From?
“The calyx appeared,” says Dr. Rob Raphael. A more magical explanation could hardly be fabricated.
Denton’s “Puzzle of Perfection,” Then and Now
The flip side of Darwin’s proposal of natural selection as a designer substitute is that “things look designed — because they are designed.”