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National Geographic is celebrating its 125th anniversary with a special edition entirely dedicated to the power of photography.The October issue features iconic shots from history, including Steve McCurry's 'The Afghan Girl'.
Subscribe to National Geographic magazine and save. Print and digital editions available for as little as $12.
Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Engineered for survival, insect eggs hang on and hatch wherever their parents deposit them. Tiny spiders have such huge brains for their body sizes that the organs can spill into the animals' body cavities, a new study shows. Dragonflies the size of modern birds ruled 300 million years ago because smaller larvae were at risk of oxygen toxicity, a new study hints. Learn about the actions of all these bees who make the delicious raspberries happen in Kenya.
The neo-Gothic Swallow's Nest castle perches 130 feet (40 meters) above the Black Sea near Yalta in southern Ukraine. To delete this file, click the file name with your mouse, then right-click and scroll down the menu to the "delete" option.
To remove the photo permanently from the desktop, locate the photo on the hard drive and drag it to the trash. An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background. A view of the central region of the Perseus galaxy cluster, one of the most massive objects in the universe, shows the effects that a relatively small but supermassive black hole can have millions of miles beyond its core. But even during the many centuries of native Egyptian domination, a few dynasties from elsewhere held sway intermittently.
Into this power vacuum came the 25th dynasty—a family group of strong kings from Nubia or Kush, south of Egypt in what is present-day Sudan.
Afrocentrism is a cultural, academic, and political movement that aims to focus attention on Africa’s contributions to world civilization and history.
Afrocentricity has its origins in the work of African and African-diaspora intellectuals in the late 19th and early 20th centuries.
One way Afrocentric scholars sought to draw attention to Africa’s impact was to state that ancient Egyptian culture was African and its pharaohs black. National Geographic magazine reserves the right to edit all questions, suggestions, and submissions as well as the right to not publish questions, suggestions, or submissions.
I then encountered this curious flock of sheep with the single black example taking its position prominently mid-front and staring at me.
Several species answer to the name, and they are found in temperate regions around the world.VenomThis spider's bite is much feared because its venom is reported to be 15 times stronger than a rattlesnake's.


They get their name from the blue-black of the inside of their mouths, which they display when threatened.
They have been blamed for numerous human deaths, and African myths exaggerate their capabilities to legendary proportions.
Built by a German noble in 1912, the flamboyant seaside residence now houses an Italian restaurant. Astronomers studying this photo, taken by the Chandra X-ray Observatory, determined that sound waves emitted by explosive venting around the black hole are heating the surrounding area and inhibiting star growth some 300,000 light-years away. The 23rd dynasty was a loose grouping of kings of Libyan origin, many of whom ruled in the Nile Delta.
These rulers were dark skinned and bore the distinguishing facial features of sub-Saharan peoples.
But whatever the skin color of the native Egyptian pharaohs, there’s no dispute that during the 25th dynasty all of Egypt answered to black pharaohs who hailed from deep within Africa. Ancient Records of Egypt: Historical Documents From the Earliest Times to the Persian Conquest, Collected, Edited and Translated with Commentary. Afrocentrists view this as a paradigm shift, commonly contending that Eurocentrism led people to overlook or in some cases deny that Africa’s rich achievements existed separately from European influence. Afrocentric scholars sought to counter the prevailing view that sub-Saharan Africa had contributed nothing of value to human history that was not the result of incursions by Europeans or Arabs.
According to Egyptologist Ann Macy Roth, Afrocentric Egyptology is less a scholarly field than a political and educational movement, aimed at increasing the self-esteem and confidence of African Americans by stressing the achievements of African civilizations, principally ancient Egypt. While the Egyptians regularly differentiated themselves from foreigners living around them, they did so in political and cultural terms rather than in racial ones. Scientific testing indicates that, just as today, they ranged from the light Mediterranean type to the darkest shade of brown around Aswan and farther south into Nubia. Heresy in the University: The Black Athena Controversy and the Responsibilities of American Intellectuals. In humans, bites produce muscle aches, nausea, and a paralysis of the diaphragm that can make breathing difficult; however, contrary to popular belief, most people who are bitten suffer no serious damage—let alone death.
For these reasons, the black mamba is widely considered the world’s deadliest snake.Black mambas live in the savannas and rocky hills of southern and eastern Africa.
These all-powerful rulers, most of them indigenous Egyptians, are grouped into 30 numbered dynasties, followed by a Persian Period and finally a Greco-Roman Period, of which Cleopatra was the last sovereign.
The 24th dynasty came to supremacy more or less simultaneously with the 23rd, at a time when parts of Egypt south of the delta were weakly controlled by Egyptians from the heartland. They swept north to the delta, reinvigorating historic forms of worship as they came, thus gaining the support of the Egyptian priests.
She describes Afrocentric Egyptology as having four main points: (1) Ancient Egyptians were black, (2) ancient Egypt was superior to other ancient civilizations, (3) Egyptian culture had tremendous influence on the later cultures of Africa and Europe, and (4) there has been a vast racist conspiracy to prevent the dissemination of the evidence for these assertions.


Foreigners were labeled by their regional or political names, and they were always depicted with distinctive features and dress. The likely mixing with neighbors due to intermarriage and political alliances created a heterogeneous population. Though artwork did differentiate among populations by color, the distinction seems to have been merely descriptive, with no preference ascribed to any particular skin tone. Egypt’s relationships with its neighbors were also based on political concerns, not race or ethnicity. It also was used in the effort to create a more multicultural, balanced approach to history and sociology. It washed up in a lagoon created by a receding glacier, part of a worldwide shrinkage of glacial ice.Afghanistan, 2010Noor Nisa, about 18, was pregnant, and her water had just broken. Females sometimes kill and eat their counterparts after mating in a macabre behavior that gave the insect its name. However, when cornered, these snakes will raise their heads, sometimes with a third of their body off the ground, spread their cobra-like neck-flap, open their black mouths, and hiss. Her husband was determined to get her to the hospital, but his car broke down, and he went to find another vehicle. Black widows are solitary year-round except during this violent mating ritual.Webs and FeedingThese spiders spin large webs in which females suspend a cocoon with hundreds of eggs. If an attacker persists, the mamba will strike not once, but repeatedly, injecting large amounts of potent neuro- and cardiotoxin with each strike.Before the advent of black mamba antivenin, a bite from this fearsome serpent was 100 percent fatal, usually within about 20 minutes. Unfortunately, antivenin is still not widely available in the rural parts of the mamba’s range, and mamba-related deaths remain frequent.The black mamba has no special conservation status. Black widow spiders also use their webs to ensnare their prey, which consists of flies, mosquitoes, grasshoppers, beetles, and caterpillars. However, encroachment on its territory is not only putting pressure on the species but contributes to more potentially dangerous human contact with these snakes. Black widows are comb-footed spiders, which means they have bristles on their hind legs that they use to cover their prey with silk once it has been trapped.To feed, black widows puncture their insect prey with their fangs and administer digestive enzymes to the corpses. By using these enzymes, and their gnashing fangs, the spiders liquefy their prey's bodies and suck up the resulting fluid.




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