At its core, the purpose of vacuum-sealing is a simple and noble pursuit: Make food last longer. But until I talked to a bunch of experts for this story and tested a number of vacuum sealers ...

To do so, we sprinkle our floors — both hardwood and carpet — with 20 grams each of pet hair, and then measured to see which robot vacuum picks up the most. Our top pick is the Roomba S9 ...