It depends on the bird or animal laid the eggs. Some may stay good for days, some may stay good for months and some may stay good for years.
Eggs can stay outside for about 2 hours before they start to spoil. It is best to refrigerate eggs to keep them fresh for a longer period of time.
Not home-cooked ones. Some commercially-produced hard cooked eggs can keep that long, but I wouldn't call them 'fresh'. See Related Links.
it can stay fresh for 2 weeks
Eggs that you buy from the store will not stay fresh for long without refrigeration. Eggs that come right from the chicken can kept at room temperature for weeks. Store bought eggs should be refrigerated within a few hours of buying them just to be safe.
Eggs are a potentially hazardous food. They should not remain unrefrigerated for more than 2 hours. Less time is better.
No, actually eggs will stay fresh longer if they are refrigerated and left raw. There is a coating on the shell that protects them. Boiling removes this protection.
Forever
It will stay fresh for some hours. Not too long. So it depends how long the fridge been off. Too long is bad.
cod will stay fresh forever if you freeze it in a air tight bag.
Best used within one week, the danger is Salmonella poisoning. If you are actually concerned about Salmonella, don't leave the eggs out for more than 2 hours.
No, frog parents don't stay with their eggs because the eggs are laid in water and frogs cant stay in the water for too long or they will drown.
We cannot freeze cooked Eggs because they leave smell and cannot stay fresh.