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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

What are the trapped gases in the atmosphere?

The major trapped gases in the Earth's atmosphere are carbon dioxide, methane, and nitrous oxide. These gases contribute to the greenhouse effect, trapping heat near the Earth's surface and leading to global warming and climate change.

Do humans eat spiders in their sleep?

You would hope not but apparently its about an average of 8 spiders per week

*Average of none you mean.

You can't swallow a spider without waking up, and if you were to swallow a spider while sleeping your mouth would have to be open (and facing straight up) very wide, and the spider would have to climb down its silk line perfectly into the back of your throat without touching your lips or tongue. The second it reaches your throat you would have to take a swallow and let it go down..

All in all, it just doesn't happen.

What is the symbiotic relationship between a flower and a bee?

For food, a butterfly collects the pollen from a flower. When the butterfly lands on the flower to take the pollen, small particles of pollen remain attached to the butterfly. The butterfly then moves to another flower, the pollen from the first flower goes into the second flower, pollinating the second flower, allowing genetic diversity among flowers, and causing reproduction. Also, when the butterfly lands on the flower, the particles fly to the wind, so that other flowers can also be pollinated when the polen is carried by the wind.

Why are Tums called antacids?

Tums are called antacids because they help to neutralize excess stomach acid. The ingredients in Tums, such as calcium carbonate, work by raising the pH level in the stomach, which helps to alleviate symptoms of heartburn and indigestion.

What is the contribution of Arturo Alcaraz in science?

Arturo Alcaraz was a prominent Filipino scientist known for his contributions to nuclear chemistry and radiopharmacy. He established the first nuclear research reactor in the Philippines and played a key role in the development of nuclear medicine in the country. Alcaraz's work has significantly impacted the fields of nuclear science, medicine, and research in the Philippines.

Women hold up half the sky?

This phrase, attributed to Chairman Mao Zedong, highlights the importance of women's contributions and role in society. It emphasizes that women are equal to men and should have equal opportunities in all aspects of life.

What is celebrated on 28june?

June 28, 1712- Jean-Jacques Rousseau, philosopher June 28, 1902- Richard Rodgers, music composer, "Rogers and Hammerstein" June 28, 1926- Mel Brooks, actor, director June 28, 1932- Pat Morita, actor June 28, 1946 -Bruce Davison, actor June 28, 1960- John Elway, NFL quarterback , Denver Broncos June 28, 1966- John Cusack, actor- these birth day

Why do biologists organize living things into groups?

Biologists organize living things into groups to understand the diversity and relationships among species. Grouping organisms helps to study their characteristics, evolutionary history, and patterns of similarities and differences. This classification system allows scientists to categorize and communicate information effectively about different organisms.

Do some colors of balloons last longer than others?

Yes, darker colors like black or red balloons tend to absorb more heat from the sun, causing them to expand and pop sooner than lighter colors like white or pastel colors. However, the difference in lifespan may not be significantly noticeable unless exposed to direct sunlight for an extended period of time.

What is an ystr patterns?

It seems there might be a typo in your question. Did you mean to ask about "YSTR patterns"? YSTRs are short tandem repeats found on the Y chromosome, which can be used in genetic testing to trace paternal lineages in genealogy studies. By analyzing the variations in these YSTR patterns, researchers can identify relatedness between individuals sharing a common paternal ancestor.

What was candle walk?

In Georgia a candle walk is when people gather together at Christmas time and take a 20-minute walk that takes one through a forest lit with 30,000 twinkling lights and beside a "creek bed illuminated with 300 submerged lights." Site www.chattanoogan.com can give you more info on what sounds like a delightful trip.

What is the earth's nearest neighbor in space?

Our moon's the closest, followed by Venus.

What is the difference between stars and shooting stars?

First off, shooting stars aren`t actually stars. They`re actually pieces of space rock called meteors. When meteors enter Earth`s atmosphere, they burn up, producing bright lights as they move through the sky. That is, if it`s night. If it`s day, then you can`t see them light up. Meteors are so fast that people say they`re faster than a speeding bullet, hence the name ''shooting'' star.

How a scratch outside of an optical fiber might cause problems?

Fiber optics, using optical fiber, are specially designed to implement total internal reflection. A signal passed from one end of the fiber to the other end of the fiber is a single beam of light that repeatedly bounces off the edges of the fiber until it reaches it's destination. By scratching the outside of an optical fiber, this property can be disrupted causing the signal to be lost.

What is the sequence of reactions when a person looks at a distant object?

The sequence of reactions when a person looks at a distant object is pupils dilate, ciliary zonule, becomes taut, and lenses become less convex. During embryonic development the lens of the eye forms from the surface ectoderm overlying the optic cup.

What should you do if you see an animal safety symbol in the directions for a lab?

If you see an animal safety symbol in the directions for a lab, you should follow the safety guidelines associated with that symbol. This may include wearing protective gear, handling the animal with care, or following specific protocols to prevent any harm to the animal or yourself. If you are unsure about how to proceed, consult with your instructor or lab supervisor for guidance.

What wavelenghts are invisible to the human eye?

Wavelengths that are too short, such as ultraviolet and X-rays, or too long, such as infrared and radio waves, are invisible to the human eye. The visible spectrum for humans typically ranges from about 400 to 700 nanometers.

Is it possible to bend time or space?

Currently, there is no scientific evidence to suggest that it is possible to bend time or space in a way that is commonly depicted in science fiction. However, certain phenomena like gravitational fields can distort space-time, as described by Einstein's theory of general relativity. Time dilation also occurs in special relativity at very high speeds.

Name the gasses that make up most stars?

Hydrogen and helium are the most abundant gases in stars, with hydrogen being the most common element found in stars. Other gases present in stars include oxygen, carbon, neon, and iron in smaller quantities.

Are there UV rays in shade?

Yes, there are still some UV rays present in the shade. While shade can provide some protection from direct sunlight, UV rays can still reflect off surfaces or penetrate through thin or light-colored fabrics. It is important to seek shade in addition to wearing sunscreen and protective clothing to minimize UV exposure.

How does a space blanket reduce heat?

A space blanket reduces heat loss by reflecting a person's body heat back towards them, rather than allowing it to escape. The reflective material on the blanket helps to trap heat and keep the person warm by creating a barrier to prevent heat loss through radiation.

What happen to ponderosa?

"Ponderosa" was a TV show that aired from 2001-2002. It was a prequel to the popular show "Bonanza," focusing on the Cartwright family in the 1840s. The show was not as successful as "Bonanza" and was canceled after only one season.

Does starch grow in the dark?

No, starch does not grow in the dark. Starch is a type of carbohydrate that is stored in plants for energy, and it is produced through photosynthesis, which requires light. Without light, plants cannot produce starch through photosynthesis.

How do geologists know that earth and the solar system is apoximately 4.6 billion years old?

They use radioactive dating methods. The basic idea is that the concentration of radioactive isotopes decreases over time. At the same time, the concentration of the daughter products increases.