Tag: PNAS
Can You Say That in Nature? Dobzhansky’s Evolution Cliché Is Becoming Passé
“Nothing in biology makes sense except…” Go ahead; complete that sentence yourself, with a yawn.
More Cellular Roles Found for RNA
Previously relegated to servant tasks under the master DNA molecules, ribonucleic acids continue to surprise scientists.
Ants, Wildebeest, Penguins, and More: A Zoo of Animal Designs
Don’t kick sand in the face of a wildebeest by joking that it looks like it was made by a committee. It might flex its muscles and charge.
Still More Excuses for Cambrian Non-Evolution
Trilobites look up silently from their Burgess Shale rock slabs, with sad eyes, asking, “Where did I come from?”
Membrane Channels Show Astonishing Specificity
The “selectivity filters” in membrane channels of living cells are able to discriminate between very similar molecules or atoms using complex mechanisms.