Discovering Something New -- ongoing learning

Staphylococus epidermidis is a common form of bacteria  found on human skin. Invisible to the eye, bacteria are revealed when a handpri...

The 5500-mile-long Andes of South America would stretch from San Francisco to London. Only the Himalaya reach higher than these snowy pea...

(National Geographic, Jan, 2007)

  Even a tiny paint flake left floating in orbit can pit the window of a space shuttle traveling 17,500 miles an hour. To avoid catastr...

A third kind of human, called Denisovans, seems to have coexisted in Asia with Neanderthals and early modern humans. The latter two are ...

Iran – Visitors inspect a ruined dakhma, or tower of silence, near Yazd. In the Zoroastrian tradition, dead bodies – believed to be in da...

They eat insect pests. They pollinate useful plants, as bees do. Their droppings, called guano, are used as fertilizer. Bats are mammals...

An imagining of Idris visiting Heaven  and Hell ʾIdrís is an ancient prophet and patriarch mentioned in the Qur'an, whom Muslims be...

Staying home to watch TV on Saturday night was no longer a shameful admission, thanks to Saturday Night Live. Within months of the show'...

Jane Goodall - a willowy blonde who left the civilized world of England to live in the wilds of Africa to study chimpanzees. Her observation...

(2008 Time Almanac)

Having survived the many hardships of the 19th century - including a wrenching Civil War at mid-century and, in the last decade, economic de...

(National Geographic)

Map of the world with the participants in World War I in 1917. Allies are in green, the Central Powers in orange and neutral countries ...

The 1896 Olympic Games featured the first Olympic marathon, which followed the 25-mile route run by the Greek soldier who brought news of a...

(Wikipedia)

At the Wesleyan Chapel in Seneca Falls, N.Y., a women’s rights convention was the first ever held in the United States. Almost over 200 w...

Like fellow gas giant Jupiter, Saturn is a massive ball of mostly hydrogen and helium. Surrounding by 53 confirmed and nine provisional m...

Among the Muslim communities of the Middle East, women lived entirely under the domination of men and were not allowed to take part in publ...

The years 1968 and 1969 were racked with war, violence, terrorism, and civil unrest around the world. Wars raged in Vietnam and Nigeria; So...

The area which was formerly the site of the Whitfield Barracks of the British Army was developed into a park in 1970. More than 70 buildi...

Fath-Ali Shah and his sons In theory the king may do what he pleases; his word is law. The saying that ‘The law of the Medes and Persia...

Alice Paul A proposed amendment to the Constitution of the United States to provide for the equality of sexes under the law. The centra...

On January 23, 1997, Madeleine Albright, who had earlier served as U.S. ambassador to the UN, assumed under President Bill Clinton the offi...

Native to the South Pacific islands, kava root was traditionally brewed into a drink for royalty. Over time it was taken medicinally to r...

Winds have carried mariners across the seas since before recorded time. They so affected early seafaring that ancient sailors personalize...

There are approximately 3,500 species of mosquito just a few rank among the deadliest creatures on Earth. They include Anopheles gambiae, w...

Archaeological evidence suggests 5,000-yearold bathing facilities in Gaza. Soaplike material found in clay jars of Babylonian origin has ...

Until 1869, few had heard of the giant black-and-white creatures hiding in China’s forests. Decades later, pandamania gripped the world. ...

At a brick factory on the outskirts of Yangon, Myanmar, a swaddled baby sways in a makeshift hammock. The child’s mother works at the kil...

Nasir'd-Din Shah in London at the Garden-Party given at Hatfield House in 1889 (The Illustrated London News May 16, 1896)

(National Geographic)

Fath-‘Ali Shah (1771-1834) whose reign coincided with rivalry among France, Great Britain, and Russia over eastern affairs, ruled Iran from...

Tropical cyclones (hurricanes, typhoons) form and grow over warm ocean water, drawing their energy from latent heat. Latent heat is the e...

New ways to grab dinner, the trick to using a tool, and learning the local dialect. These are behaviors that animals pick up from each ot...

(October 27, 1958 – January 6, 1919) A writer, naturalist, and soldier. He expanded the powers of the presidency and of the federal gov...

Clouds are condensed form of atmospheric moisture consisting of small water droplets or tiny ice crystals. Clouds are the principal visib...

When the glaciers retreated at the end of the last Ice Age, about 25,000 B.C., Indians and Eskimos (Inuit) gradually made their way across ...

Indian Greater Adjutant storks sit on garbage as waste pickers collect usable goods from a garbage dumping site on the eve of the World E...

Snowy Owl lives in the upper latitude of North America, Europe, and Asia. (National Geographic 2016)

(Adapted from National Geographic 2016)

Time is conscious experience of duration, the period during which an action or event occurs. Time is also a dimension representing a succ...

We live in an age of insects. About half of all known animals are insects. Scientists have found about 1 million species (kinds) of insect...

Mathematics is a way of describing relationships between numbers and other measurable quantities. Mathematics can express simple equations ...

1 -->   Medial Preoptic Area (MPOA): This is the area for sexual pursuit, found in the hypothalamus, and it is 2.5 times larger in th...

Kenyan archaeologist and anthropologist whose fossil discoveries in East Africa proved that human beings were far older than had previousl...

The Earth has warmed 1.5 degrees Fahrenheit on average since the late 19 th century. Most of the warming has occurred since 1960, the pe...

As of June 2015 there were 438 reactors operational with 67 power plants under construction. (European nuclear society: https://www.eu...