peer review scholarly research claims reliability later use

Peer review does not prove a claim true

Peer review means specialists judged a study worth publishing; it does not prove its claims are true. Confidence can grow when later research supports a claim and other researchers successfully build on it, but scientific conclusions can still change.

A Venus flytrap can remember a weak touch for about 30 seconds

About 30 Seconds

One touch to a Venus flytrap's trigger hair may not be enough to close it. But a second touch within about 30 seconds can add to the first signal and push the trap past the point needed to close. This short memory comes from changing calcium levels inside its cells, not from a brain.

3 hearts

Swimming stops an octopus’s main heart

An octopus has three hearts: two pump blood through the gills, while a systemic heart circulates blood through the body. That systemic heart stops beating during swimming, which helps explain why octopuses tire quickly and mostly crawl.

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peer review scholarly research claims reliability later use

Peer review does not prove a claim true

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