Mount Everest is the tallest mountain in the world and part of the Seven Summits. Over 3,100 climbers from over 20 countries have made over 5,100 recorded ascents, with over 220 recorded deaths. Notable ascents include the first official summit by Sir Edmund Hillary and Tenzing Norgay, and the oldest and youngest climbers. There are […]
Only 28% of Portugal’s population over 30 have a high school diploma, with just 27% of men and 32% of women completing high school. This lack of an educated workforce is blamed for Portugal’s economic struggles, with an unemployment rate of 14% and youth unemployment at 35%. Portugal is one of the least educated nations […]
The US has the second-highest incarceration rate globally, with over 700 prisoners per 100,000 population. The country has around 2.2 million prisoners in various facilities. China has the next highest prison population, but the US, China, and Russia hold half of the world’s total prison population. The cost of prisons to US taxpayers is over […]
Immigration to the US was about 13% in 2010, the same as in 1910. Immigration declined to 5.4% in the mid-20th century, but tripled since then. The largest sources of immigrants in the 21st century were Mexico, India, the Philippines, and China. About 500,000 undocumented immigrants enter the US each year, but most people immigrate […]
In the US, 43% of adults are single, with 60% never married. The number of single adults is expected to increase, despite many wanting to marry. There are 11.6 million single parents and over 30 million singles living alone. In 2011, only 20% of adults aged 18 to 29 were married. As of 2010, approximately […]
CD4 count measures a protein found in white blood cells that helps the body fight infections. It is used to monitor HIV progression and immune system health, with a count below 200 indicating AIDS. Results can vary and should be interpreted over time. A CD4 count is the measured level of a certain type of […]
The dairy industry is producing record amounts of milk with half as many cows as in the 1950s, thanks to advances in science, feeding, management, and vaccines. Growth hormones are less used, and the goal remains to produce good quality milk without sacrificing cow welfare. It’s a bull market for dairy cows. The industry is […]
The US Post Office periodically adds new ZIP codes in response to increased mail volume. There are at least 40,000 five-digit ZIP code areas in the US. The ZIP code was developed in the early 1960s to facilitate speed of mail handling. The postal code system began on July 1, 1963, and every address in […]
A complete blood count analyzes the types of cells in a person’s blood to help diagnose or rule out medical conditions. White blood cell, red blood cell, and platelet counts are important factors, and abnormal results may prompt further testing or treatment. However, a complete blood count is only one step in the diagnostic process […]
Over 34 million Americans are hardcore gamers, playing more than 22 hours a week, while the average casual gamer only spends 8 hours. Most gamers are 34 years old and have been playing for 12 years. Two-thirds of households include gamers, and three-quarters prefer playing on disc. Additionally, 90% of gamer parents report their children […]
Sperm count is a measure of the number of sperm per milliliter of semen and can affect a man’s ability to fertilize an egg. A normal count is 20 million sperm cells per milliliter, but motility and morphology also play a role. Factors such as infections, exposure to heat, and lifestyle habits can affect sperm […]
Platelets are small cells in blood that help with clotting. A blood platelet count can indicate medical conditions such as thrombocytopenia or thrombocytosis. Normal platelet counts range from 150,000 to 400,000 per microliter of blood. Platelets are tiny cells that are part of blood products and are extremely useful in helping blood clot. Their shapes […]
Low monocyte counts can be caused by physical illnesses, certain medications, or vitamin deficiencies. Diseases affecting bone marrow, such as HIV, rheumatoid arthritis, or lupus, are common causes. Monocytes help protect the body from foreign invaders, and a low count can make the body more susceptible to disease. Treatment depends on the underlying cause. A […]
Twelve American men have walked on the moon during six successful Apollo missions launched by NASA. Apollo 11 was the first to land, with Neil Armstrong and Buzz Aldrin being the first humans to walk on the moon. Other notable facts include Alan Shepard hitting golf balls on the moon during Apollo 14 and Apollo […]
Scientists estimate there are 100 billion galaxies in space. The Hubble Telescope found 10,000 galaxies in an area of the sky, which was multiplied to estimate the universe’s total. There could be as many as 500 billion galaxies. Scientists believe that there are about 100 billion galaxies or systems in space made up of stars, […]
The universe is too vast to comprehend, with more stars than words spoken in human history, grains of sand on Earth, and seconds Earth has existed. Astronomers estimate a trillion stars exist. The universe’s age is about 13.7 billion years, and its shape is unknown. Cosmic microwave background radiation is an afterglow from the Big […]
A vasectomy involves cutting the vas deferens, making a man unable to father children. The procedure is minimally invasive, but reversal is more complex and not always successful. Sperm count is measured to ensure success, and the procedure is not recommended for men who may want children in the future. Sperm count after a vasectomy […]
A low red blood cell count can indicate health problems such as anemia, blood loss, or malnutrition. Symptoms may include pale skin, fatigue, and shortness of breath. Increasing iron intake and eating a balanced diet can help resolve the issue. Regular blood cell count tests may be necessary. A low red blood cell count can […]
Of the 494 people on the FBI’s Ten Most Wanted Fugitives list from 1950 to 2012, 466 were arrested, with 154 captured thanks to tips from civilians. The list is not in order and includes those likely to commit multiple crimes, with a focus on those with a long criminal history. Eight women have been […]
A reticulocyte count measures the number of young red blood cells in the blood, indicating bone marrow function and response to treatment for anemia. High counts can indicate anemia, blood loss, or exposure to high altitudes, while low counts can indicate bone marrow disorders, kidney disease, or nutrient deficiencies. The test requires a blood sample […]
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