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161 - 170 from 4920 . In "Life"
Ne'Kiya Jackson, left, and Calcea Johnson have published an academic paper detailing how they proved Pythagoras' theorem
Students discover unexpected proof for 2,000-year-old mathematical theory
WASHINGTON — Louisiana students Ne’Kiya Jackson and Calcea Johnson wowed their teachers in 2022 when they discovered a new way to prove the 2000-year-old Pythagorean theorem in response to a bonus question in a high school math contest. But that was only the beginning.A volunteer at their former school, New Orleans’ St. Mary’s Academy, encouraged them to submit their work on the famous mathematical theory to a professional conference, and in March 2023 they became the youngest people to present at the American Mathematical Society’s Southeastern Sectional conference in Atlanta. Their appearance elicited a wave of media coverage, including a spot on “60 Minutes.” The pair also received symbolic keys to the city of New Orleans and a shout-out from Michelle Obama.Now Jackson and...
October 30, 2024

Students discover unexpected proof for 2,000-year-old mathematical theory

There are no pictures of the city but it had pyramid temples similar to this one in nearby Calakmul
Researcher finds lost city in Mexico jungle by accident
MEXICO CITY — A huge Mayan city has been discovered centuries after it disappeared under a jungle canopy in Mexico.Archaeologists found pyramids, sports fields, causeways connecting districts and amphitheaters in the southeastern state of Campeche.They found the hidden complex — which they have called Valeriana — using Lidar, a type of radar survey that maps structures buried under vegetation.They believe it is second in size only to Calakmul, thought to be the largest Mayan site in ancient Latin America.The discovery of the city, which is the size of Scotland's capital Edinburgh, was made “by accident” when one archaeologist browsed data on the internet.“I was on something like page 16 of Google search and found a radar survey done by a Mexican organization for...
October 29, 2024

Researcher finds lost city in Mexico jungle by accident

The discoveries were made possible with a remote-sensing tool known as lidar, which uses reflected light to create 3D mappings of the environment
Lost Silk Road cities discovered in Uzbek mountains
LONDON — Archeologists have found the remains of two medieval cities in the grassy mountains of eastern Uzbekistan, a discovery that could shift our understanding of the fabled Silk Road.Known for the exchange of goods and ideas between the East and West, the trade routes were long believed to have linked lowland cities.But using remote sensing technology, archeologists have now found at least two highland cities that sat along a key crossroad of the trade routes.One of the cities - Tugunbulak, a metropolis spanning at least 120 hectares - sat more than 2,000m (6,600 ft) above sea level, an altitude thought to be inhospitable even today."The history of Central Asia is now changing with this finding," said archaeologist Farhod Maksudov, who was part of the research team.The team...
October 25, 2024

Lost Silk Road cities discovered in Uzbek mountains

In a warming Arctic, polar bears are spending more of their time on land
Polar bears face higher risk of disease in a warming Arctic
WASHINGTON — As the Arctic warms, polar bears face a growing risk of contracting viruses, bacteria and parasites that they were less likely to encounter just 30 years ago, research has revealed.In a study that has provided clues about how polar bear disease could be linked to ice loss, scientists examined blood samples from bears in the Chukchi Sea — between Alaska and Russia.They analyzed samples that had been gathered between 1987 and 1994, then collected and studied samples three decades later — between 2008 and 2017.The researchers found that significantly more of the recent blood samples contained chemical signals that bears had been infected with one of five viruses, bacteria or parasites.It is difficult to know, from blood samples, how the bears’ physical health was...
October 24, 2024

Polar bears face higher risk of disease in a warming Arctic

US actor Ron Ely
Tarzan star Ron Ely dies aged 86
LOS ANGELES — US actor Ron Ely, best known for playing the role of Tarzan in the 1960s television show of the same name, has died aged 86."The world has lost one of the greatest men it has ever known — and I have lost my dad." the actor's daughter, Kirsten Casale Ely, said in an Instagram post.Tarzan originally aired on NBC television network from 1966 to 1968, during which time the actor broke a number of bones and was reported to have been attacked by animals while performing his own stunts.After retiring from acting in 2001, Ely became an author and published two mystery novels.Ely made a brief return to acting for one television film, Expecting Amish, in 2014, where he played an Amish elder.In the 1980s, he appeared in other hit television programmes including cruise...
October 24, 2024

Tarzan star Ron Ely dies aged 86

The meteorite was 40-60km in diameter and left a crater 500km across
Mega meteorite tore up seabed and boiled Earth's oceans
LONDON — A huge meteorite first discovered in 2014 caused a tsunami bigger than any in known human history and boiled the oceans, scientists have discovered.The space rock, which was 200 times the size of the one that wiped out the dinosaurs, smashed into Earth when our planet was in its infancy three billion years ago.Carrying sledge hammers, scientists hiked to the impact site in South Africa to chisel off chunks of rock to understand the crash.The team also found evidence that massive asteroid impacts did not bring only destruction to Earth — they helped early life thrive.“We know that after Earth first formed there was still a lot of debris flying around space that would be smashing into Earth,” says Prof Nadja Drabon from Harvard university, lead author of the new...
October 22, 2024

Mega meteorite tore up seabed and boiled Earth's oceans

A health worker administers polio vaccine drops to a child during a vaccination campaign in Karachi on June 3, 2024.
A million children in Pakistan miss polio vaccine shots as cases spike
ISLAMABAD — Polio is once again spreading in Pakistan, where officials say more than 1 million children missed their vaccination doses last month, underscoring the challenges they face in eradicating one of the world’s most intractable diseases.Pakistani officials reported more than a dozen new polio cases in October, bringing the total number of infections this year to 39, compared to just six last year when the South Asian country appeared to be on the verge of eliminating the virus.Ayesha Raza, the Focal Person to the Pakistani Prime Minister on Polio Eradication, blamed the recent uptick in cases on low vaccine uptake. She said about 1 million children missed their polio vaccinations in September, compounding a pre-existing immunity gap that has been growing since Covid-19...
October 22, 2024

A million children in Pakistan miss polio vaccine shots as cases spike

Malaria is caused by a complex parasite which is spread by mosquito bites
Egypt declared malaria-free after 100-year effort
CAIRO — Egypt has been certified malaria-free by the World Health Organization (WHO) — an achievement hailed by the UN public health agency as "truly historic".“Malaria is as old as Egyptian civilization itself, but the disease that plagued pharaohs now belongs to its history," said WHO chief Tedros Adhanom Ghebreyesus.Egyptian authorities launched their first efforts to stamp out the deadly mosquito-borne infectious disease nearly 100 years.Certification is granted when a country proves that the transmission chain is interrupted for at least the previous three consecutive years. Malaria kills at least 600,000 people every year, nearly all of them in Africa.In a statement on Sunday, the WHO praised "the Egyptian government and people" for their efforts to...
October 21, 2024

Egypt declared malaria-free after 100-year effort

Liam Payne arriving at BBC Music Awards 2015
One Direction grieves 'our brother' Liam Payne
LONDON — Liam Payne's former One Direction bandmates say they are "completely devastated" about the passing of their fellow band member.In a statement signed by Louis Tomlinson, Zayn Malik, Niall Horan and Harry Styles they said: "In time, and when everyone is able to, there will be more to say".The pop star, who found fame on The X Factor in 2010, died after falling from the third floor of a hotel in Argentina, police say.Earlier Payne's family said they were "heartbroken" as they paid tribute to a "kind, funny and brave soul", after his death aged 31."We are supporting each other the best we can as a family and ask for privacy and space at this awful time," they said.Liam was one of five members of One Direction.The band's...
October 18, 2024

One Direction grieves 'our brother' Liam Payne

Payne smiles in Paris, France, in March 2024
Former One Direction member Liam Payne dies after hotel balcony fall
BUENOS AIRES — Liam Payne, a former member of the boyband One Direction, has died after falling from the third floor of a hotel in Buenos Aires, Argentina, according to local police. Payne, who was 31, leaves behind his seven-year-old son, Bear.Police said they discovered Payne’s body after emergency services responded to a call from staff at a hotel where the pop star was staying in the city’s trendy Palermo neighborhood.Payne rocketed to global stardom as part of One Direction, the massively popular boyband that was created on the British version of the X Factor in 2010. The group, which included members Harry Styles, Louis Tomlinson, Niall Horan and Zayn Malik, announced an “indefinite hiatus” in 2016.Staff at the hotel had requested urgent police assistance shortly before...
October 17, 2024

Former One Direction member Liam Payne dies after hotel balcony fall

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