A metal spoon can feel colder than wood at the same temperature.Metal usually transfers heat away from your hand faster than wood does. The sensation is about heat flow as well as temperature.Go deeper
Five machines make five parts in five minutes. How long do 100 machines need for 100 parts?5 minutes100 minutes500 minutes
A seed contains a plant embryo.Under suitable conditions, the embryo begins growing during germination. Stored nutrients support early development.Go deeper
CoherentListen(koh-HEER-ent)Clear, consistent, and logically connected.The revised proposal gave the team a coherent plan.Go deeper
Read the situationA signer asks for an unexplained substantive change moments before the act.Practice & course
REM does not own every dream.Dreams can occur in REM and non-REM sleep. They are often most vivid during REM.Go deeper