Saved on this device

Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Biology

Influence of Primary Elections on Party Nomination Outcomes

Quick fact

In the United States, fewer than 30% of eligible voters typically participate in primary elections, yet these primaries can decide which candidate appears on the general election ballot, making them a powerful gatekeeping step.

Why this is interesting

Imagine two candidates running for the same party's nomination. One is backed by the party's top leaders, the other is a grassroots outsider—who wins is often more about the rules of the primary than about the candidates themselves.