Biology

• Are gender traits completely a result of societal expectations?
• Are there any parts of the human body that get oxygen directly from the air and not from the blood?
• Are there nuclear reactions going on in our bodies?
• Can humans ever directly see a photon?
• Can I turn my cat into a diamond?
• Do blind people dream in visual images?
• Do Kirlian photographs show the soul of an organism?
• Do koalas eat honey like other bears?
• Do poppy seeds contain narcotics?
• Does the human body contain minerals?
• How can the heart be strong enough to pump blood up your legs against gravity?
• How can we differentiate so many different foods if we can only taste four flavors on our tongue: sweet, bitter, sour, and salty?
• How can we unlock the 90% of our brain that we never use?
• How did doctors create my belly button?
• How did evolution ever lead ostriches to hide their head in the sand when an enemy approaches?
• How do 5G cell phone signals harm humans?
• How do I turn on more parts of my brain and get smarter?
• How do nerves control every organ and function in the body?
• How do trees give earth all its oxygen?
• How does the outer layer of skin cells on my finger detect when I am touching an object?
• How long before genetic sequencing is able to tell us exactly how our children will look and act?
• How long does it take our eyes to fully adapt to darkness?
• How much water can a camel store in its hump?
• How strong does a non-toxic odor have to be before it damages your sense of smell?
• Is human blood ever any color other than red?
• Is ionizing radiation always harmful?
• Is it completely random whether a baby is a boy or a girl?
• What are the five senses of the human body?
• What chemicals can make human tissue regenerate in seconds?
• What is it about a full moon that makes people do crazy things and commit crimes?
• What is it about red that makes bulls so angry?
• When did humans stop evolving?
• When do birds use their teeth?
• Where in my body is the original cell from which I was formed?
• Why are bats blind?
• Why are human brains the biggest?
• Why are red, yellow, and blue the primary colors in painting but computer screens use red, green, and blue?
• Why are veins blue?
• Why can only certain parts of the tongue taste sweet flavors? Is there an evolutionary benefit to this?
• Why can you boil a frog without it jumping out to safety if you raise the temperature slowly?
• Why can't color blind people see any colors?
• Why did evolution create a chicken that lays so many unfertilized eggs when that is so wasteful?
• Why do camera flashes make your eyes turn red?
• Why do humans have an appendix even though it is unnecessary?
• Why do my fingers absorb water and become wrinkled?
• Why does chewing gum take seven years to digest?
• Why does every cell in our body contain DNA?
• Why does evolution always lead to more advanced species?
• Why don't dogs sweat?
• Why don't I burst cells in my rear when I sit down?
• Why don't our eyeballs fill up with water when we swim?
• Why don't trees freeze and burst in the winter like cold pipes?
• Why have humans evolved to be taller over the last three hundred years?
• Why will a mother bird abandon its chick if touched by a human?