If you have a bone marrow transplant, your blood can have the donor’s DNA and your salival and hair DNA will be your
own. It has caused people to be wrongly arrested based on DNA evidence.
If you could type 60 words per minute, eight hours a day, it would take approximately 50 years to type
the human genome.
If you were to lay out all the arteries, capillaries and veins in one adult, end-to-end, they would
stretch about 60,000 miles (100,000 kilometers). Even more interesting is that, the capillaries, which
are the smallest of the blood vessels, make up about 80 percent of this length. By comparison,
the circumference of the Earth is about 25,000 miles (40,000 km). That means a person’s blood
vessels could wrap around the planet approximately 2.5 times.
Across the animal kingdom, heart rate is inversely related to body size. In general,
the bigger the animal, the slower is its resting heart rate. A blue whale’s heart is about
the size of a compact car, and beats only five times per minute. A shrew, on the other
hand, has a heart rate of about 1,000 beats per minute.
The average strawberry has 200 seeds. It’s the only fruit that bears its seeds
on the outside.
Honey bee is the only insect that produces food eaten by man. Honey is the
only insect created food with therapeutic, medicinal, nutritional and cosmetic
value.
The honey bee’s wings stroke incredibly fast, about 200 beats per second,
thus making their famous, distinctive buzz. A honey bee can fly for upto six
miles, and as fast as 15 miles per hour.
While awake, your brain generates between 10 and 23 watts of power or
enough energy to power a light bulb.
Much like fingerprints, everyone also has a unique tongue print.
The acid in your stomach is so powerful that it can dissolve razor blades.
It is impossible to tickle yourself. Actually two brain regions are involved in
the processing how tickling feels. The somatosensory cortex processes touch
and the anterior cingulate cortex processes pleasant information. Both
these regions are less active during self-tickling as compared to tickling
performed by someone else.
The earth has more than 80,000 species of edible plants.
Pomology is the branch of horticulture that is concerned with
study and cultivation of fruits.
The world’s most popular fruit is the tomato. Tomatoes have
more genes than humans.
Fallopian tube is no wider than the head of a pin.
The female human body is capable of giving birth to 35
children in one lifetime.
The human reproductive system contains the largest and smallest
cells. Sperm cell is smallest (5 mm × 3 mm in size) and female’s ovum is
the largest human cell (about 120 mm is diameter).
There is a positive correlation between vitamin D and testosterone
levels in men. The more sunlight exposure a man gets the more likely it is
that he has elevated testosterone levels.
Cuddling helps to heal physical wounds faster due to the release of
oxytocin, which is proven to reduce swelling.
Laughter is usually the best natural medicine for stress. It lowers levels of
cortisol, adrenaline, etc., which are stress aggravating hormones; and it releases
feel-good hormones, such as endorphins.
While sitting at your desk, make clockwise circles with your right foot, while
doing this, draw the number “6” in the air with your right hand. Your foot will
change the direction.
Intelligent people have more zinc and copper in their hair.
The surface area of human lung is equal to tennis court.
Human nose can detect 50,000 different scents.
The HIV-genome, which is about 10,000 nucleotides long, can exist as 10^6020 different sequences. To compare there are
1011 stars in the Milkyway galaxy and 10^80 protons in the universe.
Coral reefs are the most diversified of all ecosystems on Earth.
Madagascar is an example of biodiversity hotspot because almost all of its living organisms cannot survive anywhere
else on Earth.
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