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21 - 30 from 202 . In "Life / Explore"
This humpback whale, photographed here off the Pacific coast of Colombia, made an epic migration
Whale makes epic migration, astonishing scientists
LONDON — A humpback whale has made one of the longest and most unusual migrations ever recorded, possibly driven by climate change, scientists say.It was seen in the Pacific Ocean off Colombia in 2017, then popped up several years later near Zanzibar in the Indian Ocean — a distance of at least 13,000 km.The experts think this epic journey might be down to climate change depleting food stocks or perhaps an odyssey to find a mate.Ekaterina Kalashnikova of the Tanzania Cetaceans Program said the feat was "truly impressive and unusual even for this highly migratory species".The photograph below shows the same whale photographed in 2022, off the Zanzibar coast.Dr Kalashnikova said it was very likely the longest distance a humpback whale had ever been recorded traveling.Humpback...
December 11, 2024

Whale makes epic migration, astonishing scientists

Nasa astronauts Reid Wiseman, Victor Glover, Christina Hammock Koch and Jeremy Hansen
Nasa delays astronaut flight around the Moon
WASHINGTON — US space agency Nasa has announced a further delay to its plans to send astronauts back to the Moon.The agency's chief, Bill Nelson, said the second mission in the Artemis program was now due for launch in April 2026.The plan had been to send astronauts around the Moon but not land in September 2025. The date had already slipped once before, from November of this year.That will mean that a Moon landing will not take place until at least 2027, a year later than originally planned.The delay is needed to fix an issue with the capsule's heat shield, which returned from the previous test flight excessively charred and eroded, with cracks and some fragments broken off.Nelson told a news conference that "the safety of our astronauts is our North Star"."We do...
December 06, 2024

Nasa delays astronaut flight around the Moon

Russia's Nauka module is seen docked to the Zvezda module's Earth-facing port on the International Space Station on July 29, 2021. The Soyuz MS-18 crew ship (center) is docked to the Rassvet module
NASA worries space station leaks in Russian module are potentially ‘catastrophic’ 
WASHINGTON — A Russian-controlled segment of the International Space Station is leaking, allowing pressure and air to bleed out. The situation has reached a fever pitch as cosmonauts scramble to patch problem areas and officials from Russia’s space agency, Roscosmos, and NASA disagree about the severity of the problem.The football field-size space laboratory must remain pressurized and filled with breathable gases to host a rotating crew of astronauts, which it has done since 2000 in separate but connected Russian and US sections. Problematic leaks were first identified in 2019 in a tunnel that connects a Russian module, called Zvezda, to a docking port that welcomes spacecraft carrying cargo and supplies.But the rate at which the module is bleeding air hit a new high this...
November 15, 2024

NASA worries space station leaks in Russian module are potentially ‘catastrophic’ 

Scientists say the newly discovered coral is in good health
World’s largest coral found in the Pacific
BAKU — The largest coral ever recorded has been found by scientists in the southwest Pacific Ocean.The mega coral — which is a collection of many connected, tiny creatures that together form one organism rather than a reef — could be more than 300 years old.It is bigger than a blue whale, the team say.It was found by a videographer working on a National Geographic ship visiting remote parts of the Pacific to see how it has been affected by climate change.“I went diving in a place where the map said there was a shipwreck and then I saw something,” said Manu San Felix.He called over his diving buddy, who is also his son Inigo, and they dived further down to inspect it.Seeing the coral, which is in the Solomon Islands, was like seeing a "cathedral underwater", he...
November 14, 2024

World’s largest coral found in the Pacific

Voyager 2 captured this image of the planet Uranus during its flyby in 1986
New Uranus research suggests what’s known about the planet could be wrong
PASADENA — When the Voyager 2 spacecraft became the first and only mission to fly by Uranus in 1986, it defined the way astronomers understand the ice giant. But the data collected by the probe also introduced new mysteries that have continued to puzzle scientists in the decades since the historic flyby.Now, a new look at the data has revealed that Voyager 2 happened to zoom by the distant planet during a rare event, which suggests that scientists’ current understanding of the planet may have been shaped — and skewed — by an unusual stellar coincidence.The findings of the study, published Monday in the journal Nature Astronomy, may have solved some of the riddles created by Voyager 2’s odd Uranus readings.“The spacecraft saw Uranus in conditions that only occur about 4% of the...
November 12, 2024

New Uranus research suggests what’s known about the planet could be wrong

A great Indian bustard chick was recently conceived through artificial insemination in India's Rajasthan
Indian experts hail breakthrough in bid to save huge native bird
MUMBAI — Last month brought good news for the great Indian bustard, a critically endangered bird found mainly in India.Wildlife officials in the western state of Rajasthan have performed the first successful hatching of a chick through artificial insemination.A lone adult male in one of two breeding centers in Jaisalmer city was trained to produce sperm without mating, which was then used to impregnate an adult female at the second center some 200km (124 miles) away.Officials said the development was important as it has opened up the possibility of creating a sperm bank.Over the years, habitat loss, poaching and collisions with overhead power lines have effected great Indian bustards. Their numbers have fallen from more than 1,000 in the 1960s to around 150 at present.Most of them are...
November 08, 2024

Indian experts hail breakthrough in bid to save huge native bird

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

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