Possessive apostrophes show who or what owns something. The apostrophe goes in a different place depending on whether the owner is singular (one) or plural (more than one). Be careful with the word ...

Apr. 7, 2026 A gene called KLF5 may be a key force behind the spread of pancreatic cancer—but not in the way scientists expected. Rather than mutating DNA, it rewires how genes are turned on and off, ...