Myth Busters
Separating fact from fiction in everyday science
Check a Myth
Have you heard something that sounds like a myth? Search for it here.
'Eating carrots improves night vision' is overstated
Common Misconception:
Carrots give you super night vision, allowing you to see in the dark like a cat.
Science Says:
While carrots are rich in vitamin A, which is essential for good vision, eating extra carrots won't improve normal night vision beyond what's healthy.
'You lose most heat through your head'
Common Misconception:
You lose 40-50% of your body heat through your head, so you should always wear a hat in cold weather.
Science Says:
Heat loss depends on body surface area, not just the head. The head accounts for about 7-9% of body surface area, so it contributes proportionally to heat loss.
'Cold water boils faster' is a myth
Common Misconception:
Starting with cold water will make it boil faster than starting with warm water.
Science Says:
Warm water always boils faster than cold water, as it requires less energy to reach the boiling point.
'Cell phones cause cancer' lacks scientific evidence
Common Misconception:
Using cell phones causes brain cancer due to radiation they emit.
Science Says:
The radiofrequency energy from cell phones is non-ionizing and has not been conclusively linked to cancer in numerous studies by major health organizations.
'Sugar causes hyperactivity in children'
Common Misconception:
Consuming sugar makes children significantly more hyperactive and difficult to control.
Science Says:
Multiple studies have failed to find a consistent link between sugar consumption and hyperactivity in children. Behavioral changes are more likely due to excitement from special occasions.
'Paper bags are always better than plastic'
Common Misconception:
Paper bags are always more environmentally friendly than plastic bags.
Science Says:
The environmental impact is complex. Paper bags require more energy and water to produce, while plastic bags generate more waste. Reusable bags of any material are best.
'You should drink 8 glasses of water daily'
Common Misconception:
Everyone needs to drink exactly 8 glasses (64 ounces) of water every day for optimal health.
Science Says:
Water needs vary greatly depending on age, activity level, climate, and health. Many people get adequate hydration from food and other beverages in addition to water.
'You need to wait 24 hours before filing an insurance claim'
Common Misconception:
Insurance companies require you to wait 24 hours after an accident before filing a claim.
Science Says:
There's no universal 24-hour rule. Most policies require prompt notification, which usually means reporting as soon as possible after the incident.