Common misconceptions

When buying fish, you should almost always buy frozen, not thawed. [▶1] [2]
You only need enough water to barely cover the pasta (but only when cooking dried pasta, not fresh). [2]
When cooking noodles, don't add oil to boiling water to prevent them from sticking together. [2]
- To prevent the noodles from sticking after removing them from the pot: Make sure your sauce is ready before the pasta is ready, and then sauce the pasta immediately after draining.
You shouldn't rinse canned beans in most cases. [1] [2] counterpoint: [1]
Ice doesn't absorb microwaves very well, which can lead extremely uneven thawing. [3] [4]

Food safety

Egg yolks — To be completely safe, the FDA says that egg yolks should be cooked until "firm". However, it's common for people to eat runny yolks, and the risk that the yolk could be contaminated with Salmonella is relatively low.