Falak
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When Scientists Didn’t Exist
Before the 17th century, science and scientists were not truly recognized. At first, people like the 17th century genius Isaac Newton were called natural philosophers, because there was no concept of the word "scientist" at the time.
The Missing J
The only letter that doesn't appear on the periodic table is J. Don't believe us? Check it out for yourself.
Expanding Cubes
An ice cube takes up about 9 percent more volume than the water used to make it.
The Temperature of Lightning
A lightning strike can reach a temperature of 30,000 C or 54,000 F. About 400 people are hit by lightning each year. Shocking!
Rusty Mars
On Mars, iron oxide forms a rust dust that floats in the atmosphere and creates a coating across much of the landscape.
When Hot Water Freezes Over
Hot water can freeze faster than cold water. However, it does not always happen, nor has science explained exactly why it can happen.
Insects Sleep
Insects clearly rest at times and are aroused only by strong stimuli—the heat of day, the darkness of night, or perhaps a sudden attack by a predator. This state of deep rest is called torpor and is the closest behavior to true sleep that bugs exhibit.
Everyone's Your Relative
Every human being has 99 percent of their DNA in common. A parent and child share 99.5 percent of the same DNA, and you have 98 percent of your DNA in common with a chimpanzee.
What a Wingspan
The Queen Alexandra’s Birdwing is the world’s largest butterfly, with a wingspan of up to 12 inches. It is found only in Papua New Guinea and is considered endangered.
Einstein's Stolen Brain
After Albert Einstein's death in 1955, pathologist Thomas Harvey at Princeton Hospital conducted an autopsy in which he removed Albert Einstein's brain. Rather than putting the brain back in the body, Harvey decided to keep it for study. Harvey did not have permission to keep Einstein's brain, but days later, he convinced Einstein's son that it would help science.
Ears on Their Stomach?
On each side of the first abdominal segment of a grasshopper, tucked under the wings, you'll find membranes that vibrate in response to sound waves. This simple eardrum, called a tympana, allows the grasshopper to hear the mating songs of members of their species.
That's Sharp
The human body is made of up of many strange components.
Six elements account for 99 percent of the mass of the human body: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. The human body contains enough carbon for 9,000 pencils.
We're Mostly Bacteria
The human body has tons of bacteria.
Scientists have estimated that about 95 percent of all the cells in the body are bacteria. The vast majority of these microbes can be found within the digestive tract.
@Recently Active Users
Before the 17th century, science and scientists were not truly recognized. At first, people like the 17th century genius Isaac Newton were called natural philosophers, because there was no concept of the word "scientist" at the time.
The Missing J
The only letter that doesn't appear on the periodic table is J. Don't believe us? Check it out for yourself.
Expanding Cubes
An ice cube takes up about 9 percent more volume than the water used to make it.
The Temperature of Lightning
A lightning strike can reach a temperature of 30,000 C or 54,000 F. About 400 people are hit by lightning each year. Shocking!
Rusty Mars
On Mars, iron oxide forms a rust dust that floats in the atmosphere and creates a coating across much of the landscape.
When Hot Water Freezes Over
Hot water can freeze faster than cold water. However, it does not always happen, nor has science explained exactly why it can happen.
Insects Sleep
Insects clearly rest at times and are aroused only by strong stimuli—the heat of day, the darkness of night, or perhaps a sudden attack by a predator. This state of deep rest is called torpor and is the closest behavior to true sleep that bugs exhibit.
Everyone's Your Relative
Every human being has 99 percent of their DNA in common. A parent and child share 99.5 percent of the same DNA, and you have 98 percent of your DNA in common with a chimpanzee.
What a Wingspan
The Queen Alexandra’s Birdwing is the world’s largest butterfly, with a wingspan of up to 12 inches. It is found only in Papua New Guinea and is considered endangered.
Einstein's Stolen Brain
After Albert Einstein's death in 1955, pathologist Thomas Harvey at Princeton Hospital conducted an autopsy in which he removed Albert Einstein's brain. Rather than putting the brain back in the body, Harvey decided to keep it for study. Harvey did not have permission to keep Einstein's brain, but days later, he convinced Einstein's son that it would help science.
Ears on Their Stomach?
On each side of the first abdominal segment of a grasshopper, tucked under the wings, you'll find membranes that vibrate in response to sound waves. This simple eardrum, called a tympana, allows the grasshopper to hear the mating songs of members of their species.
That's Sharp
The human body is made of up of many strange components.
Six elements account for 99 percent of the mass of the human body: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. The human body contains enough carbon for 9,000 pencils.
We're Mostly Bacteria
The human body has tons of bacteria.
Scientists have estimated that about 95 percent of all the cells in the body are bacteria. The vast majority of these microbes can be found within the digestive tract.
@Recently Active Users
