January 12, 2025 • In a mass extinction event some 40,000 years ago, Australia lost 90% of its large species, including nearly two dozen kinds of kangaroos. Two theories suggest why.
As humans, we don’t usually run to the doctor for a single episode of vomiting. We can usually tell when we have a little bug or if something more serious is brewing within us. But since our pets ...
Jan. 3, 2025 — Biologists have shown that the surfaces of plant leaves are coated with a diverse array of RNA molecules. The finding suggests that the RNA present ...
Jan. 9, 2025 — A recent study has uncovered the surprising evolutionary origin of the mammalian outer ear, linking it to the gills of ancient fish and marine invertebrates. The research reveals ...