Proposed size types for crotovines and palaeoburrows found in the Pliocene to Holocene outcrops of south a merica according to their maximal transverse diameters.

Proof of burn is used to destroy (burn) coins. To burn bitcoins means to send those bitcoins to a verifiable yet nonspendable address.

Microorganisms are the Cinderellas of terrestrial ecology — the majority of the Earth's biomass, yet barely catalogued.

My first pencils, and the ones I still use most, were the familiar orange-yellow number 2s.