The “5-second rule” has survived for generations like a kitchen commandment: if you grab dropped food fast enough, it’s supposedly safe. But scientists have been quietly side-eyeing that logic for ...

Five seconds isn’t a very long period of time, but it can just change your life. Maybe you’d decide to change jobs at that time or book a dream holiday. Or it might just help you get out of bed ...

Just about every parent is familiar with the five second rule. If you drop food on the floor, the rule, always said with a smile, says it's OK to pick it up and eat it as long as it hasn't been there ...