Draw an atom model in which the nucleus is at the center and multiple levels of energy are present around it " Bohr model "?
FACT
Pick up your eraser and remove these levels , some shadows around the nucleus will be sufficient . Scientists knew since about a century that sites of electrons around the nucleus aren ' t restricted to the energy levels ; they can be present anywhere around the nucleus in the form of " Electron Cloud ".
Myth
Drinking alcohol warms you up .
FACT
Drinking alcohol gives you a false sensation of being warm by causing vasodilation of the cutaneous blood vessels . It has no effect on the body temperature as it only redistributes the heat of your body .
Myth
Reading in dim light ruins your eyesight .
FACT
After spending a night under your blanket , enjoying reading your favorite book , it ' s completely normal for your eyes to be strained with temporarily decreased acuity . Those symptoms subside after rest which clearly proves that your eyesight isn ' t ruined .
Myth
Humans use only 10 percent of their brains .
FACT
Brain imaging and scanning showed that almost % 100 of our brains are active ( but surely not at the same time ), and even areas that don ' t initiate signals they conduct them .
Myth
Your heart stop during sneezing
FACT
MISCELLANEOUS
Instead of giving great attention to such a myth , you should use a handkerchief and wash your hands because your heart indeed won ' t stop after it . Sneezing is mediated by a reflex through the brain stem and the heart isn ' t involved in that reflex .