What animal sleeps with one eye open?
For dolphins, this is an easy task. They can turn off half their brain and close one eye, allowing them to be partly asleep and awake at the same time. According to an article in the Scientific American , dolphins sleep this way so they can be ready to protect themselves from predators and swim to the surface for air.
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For dolphins, this is an easy task. They can turn off half their brain and close one eye, allowing them to be partly asleep and awake at the same time. According to an article in the Scientific American , dolphins sleep this way so they can be ready to protect themselves from predators and swim to the surface for air.
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What was the first metal used by man?
Over 4,000 years ago, when it was discovered that minerals could be melted, curiosity led man to combine melted metals (alloys). By accident they made bronze by adding tin to copper (the Bronze Age). Another combination of zinc and copper made brass.
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Over 4,000 years ago, when it was discovered that minerals could be melted, curiosity led man to combine melted metals (alloys). By accident they made bronze by adding tin to copper (the Bronze Age). Another combination of zinc and copper made brass.
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What does CT stand for in medical terms?
CT, or CAT as they're pronounced, stands for "computerized axial tomography." In a CT scan, the patient lies on a table that slides into a scanning machine. Inside, an x-ray beam rotates around the body while detectors measure how much of the x-rays pass through the tissues and organs, indicating density.
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CT, or CAT as they're pronounced, stands for "computerized axial tomography." In a CT scan, the patient lies on a table that slides into a scanning machine. Inside, an x-ray beam rotates around the body while detectors measure how much of the x-rays pass through the tissues and organs, indicating density.
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What animal has four stomachs?
Ruminating mammals include cattle, goats, sheep, giraffes, bison, moose, elk, yaks, water buffalo, deer, camels, alpacas, llamas, and antelope. Ruminants differ from non-ruminants (called monogastrics) because they have a four-chambered stomach.
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Ruminating mammals include cattle, goats, sheep, giraffes, bison, moose, elk, yaks, water buffalo, deer, camels, alpacas, llamas, and antelope. Ruminants differ from non-ruminants (called monogastrics) because they have a four-chambered stomach.
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Which planet has the fastest rotation?
Jupiter is the fastest spinning planet in our Solar System rotating on average once in just under 10 hours. That is very fast especially considering how large Jupiter is. This means that Jupiter has the shortest days of all the planets in the Solar System.
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Jupiter is the fastest spinning planet in our Solar System rotating on average once in just under 10 hours. That is very fast especially considering how large Jupiter is. This means that Jupiter has the shortest days of all the planets in the Solar System.
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How long is a kangaroo baby when it is born?
The young kangaroo, or joey, is born alive at a very immature stage(around 36 days of pregnancy) when it is only about 2 cm long and weighs less than a gram. Immediately after birth it crawls up the mother's body and enters the pouch. The baby attaches its mouth to one of four teats, which then enlarges to hold the young animal in place.
@askmenow
The young kangaroo, or joey, is born alive at a very immature stage(around 36 days of pregnancy) when it is only about 2 cm long and weighs less than a gram. Immediately after birth it crawls up the mother's body and enters the pouch. The baby attaches its mouth to one of four teats, which then enlarges to hold the young animal in place.
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Are birds warm blooded or cold blooded?
Mammals and birds are warm-blooded, which means that they can make their own body heat even when it is cold outside. Whether it is sunny and hot outside or there is a snowstorm and it is very cold, warm-blooded animals have body temperatures that usually stay the same.
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Mammals and birds are warm-blooded, which means that they can make their own body heat even when it is cold outside. Whether it is sunny and hot outside or there is a snowstorm and it is very cold, warm-blooded animals have body temperatures that usually stay the same.
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Is smoke a state of matter?
Smoke is particulate material suspended in a gas (air). The particulates may be very finely divided solids or aerosol particles composed of liquid materials. Smoke is neither solid or gas, it is a colloidal dispersion that is a different arrangement of matter.
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Smoke is particulate material suspended in a gas (air). The particulates may be very finely divided solids or aerosol particles composed of liquid materials. Smoke is neither solid or gas, it is a colloidal dispersion that is a different arrangement of matter.
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Do any other mammals lay eggs?
Only two kinds of egg-laying mammals are left on the planet today—the duck-billed platypus and the echidna, or spiny anteater. These odd “monotremes” once dominated Australia, until their pouch-bearing cousins, the marsupials, invaded the land down under 71 million to 54 million years ago and swept them away.
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Only two kinds of egg-laying mammals are left on the planet today—the duck-billed platypus and the echidna, or spiny anteater. These odd “monotremes” once dominated Australia, until their pouch-bearing cousins, the marsupials, invaded the land down under 71 million to 54 million years ago and swept them away.
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Which is the most abundant metal in the earth's crust?
Aluminum is the most abundant metallic element on the surface of the earth and moon; it composes more than eight percent of the earth's crust. It is never free in nature, combining with oxygen, sand, iron and titanium; its ores are mainly bauxites (aluminum hydroxide).
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Aluminum is the most abundant metallic element on the surface of the earth and moon; it composes more than eight percent of the earth's crust. It is never free in nature, combining with oxygen, sand, iron and titanium; its ores are mainly bauxites (aluminum hydroxide).
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Where is the thinnest skin on the body?
In humans for example, the skin located under the eyes and around the eyelids is the thinnest skin in the body at 0.5 mm thick, and is one of the first areas to show signs of aging such as "crows feet" and wrinkles.
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In humans for example, the skin located under the eyes and around the eyelids is the thinnest skin in the body at 0.5 mm thick, and is one of the first areas to show signs of aging such as "crows feet" and wrinkles.
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How many teeth does a cow have?
Cow's teeth are different from ours. On the top front, cows have a tough pad of skin instead of teeth. They have 8 incisors on the bottom front and 6 strong molars on the top and bottom of each side to grind their food. Cows have a total of 32 teeth.
@askmenow
Cow's teeth are different from ours. On the top front, cows have a tough pad of skin instead of teeth. They have 8 incisors on the bottom front and 6 strong molars on the top and bottom of each side to grind their food. Cows have a total of 32 teeth.
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What element has the largest atomic mass?
It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Ununoctium is currently the only synthetic member of group 18. It has the highest atomic number and highest atomic mass of all the elements discovered so far.
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It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Ununoctium is currently the only synthetic member of group 18. It has the highest atomic number and highest atomic mass of all the elements discovered so far.
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Which species is most closely related to humans?
Humans, chimpanzees, gorillas, orangutans and their extinct ancestors form a family of organisms known as the Hominidae. Researchers generally agree that among the living animals in this group, humans are most closely related to chimpanzees, judging from comparisons of anatomy and genetics.
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Humans, chimpanzees, gorillas, orangutans and their extinct ancestors form a family of organisms known as the Hominidae. Researchers generally agree that among the living animals in this group, humans are most closely related to chimpanzees, judging from comparisons of anatomy and genetics.
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Can you kill bacteria by freezing?
Freezing foods renders bacteria inactive but doesn't actually kill anything. That means if your food went into the freezer contaminated, once thawed it will still harbor the same harmful bacteria. Cooking it to the recommended temperature is the only way to ensure that your food is safe.
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Freezing foods renders bacteria inactive but doesn't actually kill anything. That means if your food went into the freezer contaminated, once thawed it will still harbor the same harmful bacteria. Cooking it to the recommended temperature is the only way to ensure that your food is safe.
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What planet has most gravity?
Jupiter is the most massive planet in our Solar System, meaning it also has the highest gravity. If you stood on Jupiter – you cannot because it does not have a solid surface – than you would weigh two and a half times what you would on Earth.
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Jupiter is the most massive planet in our Solar System, meaning it also has the highest gravity. If you stood on Jupiter – you cannot because it does not have a solid surface – than you would weigh two and a half times what you would on Earth.
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What vitamin is good for blood clotting?
Vitamin K is a fat-soluble vitamin that is most well known for the important role it plays in blood clotting. However, vitamin K is also absolutely essential to building strong bones, preventing heart disease, and crucial part ofother bodily processes.
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Vitamin K is a fat-soluble vitamin that is most well known for the important role it plays in blood clotting. However, vitamin K is also absolutely essential to building strong bones, preventing heart disease, and crucial part ofother bodily processes.
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How do you measure horsepower?
Horsepower (hp) is unit of measurement of power, the rate at which work is done. The most common conversion factor, especially for electrical power, is 1 hp = 746 watts. The term was adopted in the late 18th century by Scottish engineer James Watt to compare the output of steam engines with the power of draft horses.
@askmenow
Horsepower (hp) is unit of measurement of power, the rate at which work is done. The most common conversion factor, especially for electrical power, is 1 hp = 746 watts. The term was adopted in the late 18th century by Scottish engineer James Watt to compare the output of steam engines with the power of draft horses.
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What is the dew point?
Dew point temperature is defined as the temperature to which the air would have to cool (at constant pressure and constant water vapor content) in order to reach saturation. A state of saturation exists when the air is holding the maximum amount of water vapor possible at the existing temperature and pressure.
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Dew point temperature is defined as the temperature to which the air would have to cool (at constant pressure and constant water vapor content) in order to reach saturation. A state of saturation exists when the air is holding the maximum amount of water vapor possible at the existing temperature and pressure.
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Which color has the highest frequency?
Out of the 7 colours of the rainbow, violet has the highest frequency and the smallest wavelength.
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Out of the 7 colours of the rainbow, violet has the highest frequency and the smallest wavelength.
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