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Baby without sperm or egg? Scientists develop synthetic embryos using stem cells

science

Published on Jun 15, 2023 06:33 PM IST

This major development reportedly dodges the need for eggs or sperms for the creation of human embryos.

Cells which eventually form the placenta, yolk sac and the embryo itself were present in the artificial structure.(Representative image)

ByShobhit Gupta

NASA discovers ‘phosphorous’, key element for life, on Saturn's moon Enceladus

Phosphorus is fundamental unit of the structure of DNA and, a vital part of cell membranes and energy-carrying molecules existing in all forms of life on Earth.

NASA's Cassini spacecraftshows the icy crust at the south pole of Saturn's moon Enceladus, with large fissures that allow water from the subsurface ocean to spray into space as geysers, forming a plume of icy particles.(AFP)

science

Published on Jun 15, 2023 04:53 PM IST

ByShobhit Gupta

Roger Payne, renowned scientist who discovered whales can sing, dies at 88

Payne made the discovery in 1967 during a research trip to Bermuda.

Roger Payne on board Ocean Alliance’s research vessel RV Odyssey during the Voyage of the Odyssey, a groundbreaking toxicology study circumnavigating the globe, in 2002 off of Western Australia in the Indian Ocean. (AP)

world news

Published on Jun 14, 2023 08:17 PM IST

AP | | Posted by Nisha Anand

At MIT, a ‘Top Gun: Maverick’-like experiment, but with autonomous aircraft

Researchers at the renowned institute used AI to carry out a mission on the lines of the one shown in the Tom Cruise-starrer summer 2022 blockbuster.

A visual representation of the experiment (Image courtesy: MIT)

science

Published on Jun 13, 2023 04:42 PM IST

ByHT News Desk, New Delhi

Mountain peaks three to four times higher than Mt. Everest found under ocean

According to the researchers, the mountains are parts of the lower mantle that have been superheated due to their proximity with Earth's incandescent core.

A boat navigates at night next to large icebergs near the town of Kulusuk, in eastern Greenland on Aug. 15, 2019.(AP)

science

Published on Jun 10, 2023 08:22 PM IST

ByYagya Sharma

Does space travel impact human brain? Study says…

Based on the brain scans, the researchers found that it took three years for the ventricles to fully recover after such journeys.

The study concluded that longer missions, multiple flights, and shorter inter-mission recovery time induce greater intracranial fluid changes.(REUTERS)

science

Published on Jun 09, 2023 05:07 PM IST

ByYagya Sharma

Cheap diabetes drug reduces long Covid risk by 40% after infection: Study

The study covered 1,126 overweight people in the United States, half receiving metformin and half a placebo in the days after testing positive for Covid.

The research was published in the Lancet Infectious Diseases journal.(Shutterstock)

science

Published on Jun 09, 2023 07:12 AM IST

AFP | | Posted by Nisha Anand

Global warming rate speeds up at 0.2 degrees celsius per decade, scientists warn

Average annual emissions over the same period hit an all-time high of 54 bn tonnes of CO2 or its equivalent in other gases -- about 1,700 tonnes every second.

Steam rises from the coal-fired power plant near wind turbines.(AP)

science

Published on Jun 08, 2023 05:35 PM IST

AFP |

Monkeys with strong social skills exhibit enhanced impulse control: Study

Researchers assessed three species of macaques with different social tolerance levels, from authoritarian to more relaxed societies.

Tonkean macaques, which are known to get along with each other the most with more diverse and complex relationships, demonstrated better overall control of distraction, emotions. (Representational Image) (Shutterstock)

science

Published on Jun 08, 2023 05:29 PM IST

ANI |

Watch: Kilauea, one of world's most active volcanoes in Hawaii, resumes eruption

All activity was within a closed area of Hawaii Volcanoes National Park.

Lava spews from the Kilauea volcano in Hawaii, Wednesday.(AP)

science

Published on Jun 08, 2023 06:52 AM IST

AP | | Posted by Nisha Anand

How the periodic table pushed scientific discovery

The periodic table is not just the story of discoveries aided by better technological innovations, it’s also the story of sheer genius

science

Updated on Jun 05, 2023 09:02 PM IST

ByKabir Firaque

Chandrayaan-3 launch window opens from July 12: Isro chief

HT on May 22 reported that the launch of the much-awaited mission is likely to happen on July 12 and the lunar touchdown is expected on August 23.

Chandrayaan-2 was successfully launched and inserted into lunar orbit in 2019. (PTI)(HT_PRINT)

india news

Published on Jun 04, 2023 02:13 AM IST

BySoumya Pillai

Want your name on Jupiter's moon? Check out this NASA campaign

Europa Clipper’s main science goal is to determine whether there are places below the surface of Europa that could support life, said NASA.

The spacecraft will begin its journey to Jupiter’s moon Europa in October next year. (NASA)

science

Published on Jun 02, 2023 09:28 PM IST

ByYagya Sharma

NASA's GUARDIAN can detect tsunami from far reaches of atmosphere. Check how

GUARDIAN utilises the signals from global navigational satellite systems (GNSS) to detect the occurrence of tsunamis worldwide.

The tsunami that occurred on December 26, 2004 in the Bay of Bengal region killed over 2 lakh people.(NASA)

science

Published on Jun 02, 2023 02:21 PM IST

ByLingamgunta Nirmitha Rao

Leak at Pacific ocean floor, may lead to earthquake of magnitude 9.0: Report

The leak is on top of the Cascadia Subduction Zone fault which is around 80 km off the coast of Oregon in the United States.

The liquid emanating from the leak was discovered to be ‘tectonic lubricant’ (University of Washington)

science

Published on May 31, 2023 11:08 PM IST

ByLingamgunta Nirmitha Rao

NASA's Kepler discovers trio of exoplanets in final days of decade-long mission

Kepler's renewed mission, K2, studied how citizen scientists hunted for signals of transiting worlds or planets crossing in front of their stars.

All these exoplanets are between the size of Earth and Neptune, and closely orbit their stars. (Illustrative Image)(Twitter/@NASAExoplanets)

science

Published on May 31, 2023 03:21 PM IST

PTI | | Posted by Lingamgunta Nirmitha Rao

How NavIC aims to become a global navigation tool

In its present status, NavIC is competing with QZSS from Japan, which also targets only the Japanese and neighbouring regions.

NavIC is an independent stand-alone navigation satellite system. (ANI)

india news

Updated on May 31, 2023 06:24 PM IST

BySoumya Pillai

What is Foucault’s Pendulum installed in new Parliament buidling? Explained

Foucault’s Pendulum is the largest of its kind in India, standing at a towering height of 22 meters and weighing a substantial 36 kilograms.

Foucault’s Pendulum has been placed in the new Parliament building's Constitutional Hall.(Twitter/@ncsmgoi)

india news

Published on May 30, 2023 09:12 PM IST

ByLingamgunta Nirmitha Rao

With first civilian astronaut, China launches new crew for its space station

The crew will stay aboard the station for around five months, during which they will conduct scientific experiments and regular maintenance.

A Long March rocket carrying a crew of Chinese astronauts in a Shenzhou-16 spaceship lifts off at the Jiuquan Satellite Launch Center in northwestern China, Tuesday.(AP)

science

Published on May 30, 2023 08:11 AM IST

AP |

Revealed! Why are killer whales attacking sailing boats?

In the reported attacks on sailing boats, smaller orcas in the vicinity appeared to be imitating the larger ones.

The unusual behaviour observed in orcas could also be attributed to playfulness or what researchers refer to as a “fad

science

Published on May 29, 2023 11:20 PM IST

ByLingamgunta Nirmitha Rao | Edited by Aryan Prakash

‘Alien’ mock signal sent to Earth from Mars for the 1st time: Report

Amid the search for another life beyond Earth, an alien signal was beamed to the planet from Mars for the first time.

science

Published on May 29, 2023 09:22 PM IST

ByHT News Desk

NASA to spice up astronaut menu with deep space food production

A New York company that makes carbon-negative aviation fuel is taking the menu for interplanetary cuisine in a very different direction.

science

Published on May 29, 2023 03:46 PM IST

Reuters | | Posted by Sreelakshmi B

A year on Red Planet: Meet the scientist set to step into Martian habitat

Participants will face equipment failures and water limitations, the space agency has warned -- as well as some "surprises," according to Haston.

Scientist walks in a Mars-like simulation.(AFP)

science

Published on May 27, 2023 10:36 AM IST

AFP |

World’s oldest Homo sapiens footprint identified on in South Africa

A key challenge when studying the palaeo-record – trackways, fossils, or any other kind of ancient sediment – is determining how old the materials are.

The oldest known footprint of our species, lightly ringed with chalk. It appears long and narrow because the trackmaker dragged their heel.(Charles Helm)

science

Published on May 24, 2023 11:19 AM IST

PTI | | Posted by Yagya Sharma

‘Enhanced rock weathering’ can help combat climate change: Report

Enhance rock weathering increases the contact area between rainwater and rock, consequently facilitating greater carbon removal.

Enhanced weathering, achieved through the application of nutrient-rich rocks to soil, offers multiple benefits.(UNDO official website)

environment

Published on May 22, 2023 10:43 PM IST

ByLingamgunta Nirmitha Rao

Global warming threatens species with deadly temperatures, study shows

The study examined data from over 35,000 species of animals and seagrasses (including mammals, amphibians, birds, etc) from every continent and ocean basin.

Once the thermal exposure threshold is crossed, the animal is not necessarily going to die out, but there is no evidence that it is able to survive the higher temperatures.

science

Published on May 22, 2023 08:16 PM IST

ANI |

Placenta plays an important role in genetic risk of schizophrenia, study finds

A new study has discovered that the placenta plays a considerably larger role in the development of sickness than previously thought.

Schizophrenia is serious mental disorder in which people interpret reality abnormally.(Representative image)

science

Published on May 21, 2023 03:37 PM IST

ANI |

SpaceX's Axiom mission-2 set for launch with 1st Saudi woman

Rayyanah Barnawi, a breast cancer researcher, is the first-ever Saudi woman to voyage into space along with another Saudi national, Ali AlQarni.

The Ax-2 crew (L to R) Rayyanah Barnawi, Peggy Whitson, John Shoffner and Ali Alqarni.(AFP)

science

Published on May 21, 2023 01:48 PM IST

ANI | | Posted by Yagya Sharma

Heat-temperature marine bacteria help detoxify asbestos, says study

Removal of silicon and magnesium from asbestos has been shown to disrupt its fibrous structure.

the bacterium could be used to treat asbestos' toxicity through iron removal. (Pic for representation only)

science

Published on May 20, 2023 10:39 AM IST

ANI | | Posted by Yagya Sharma

Earth-sized alien planet gripped by widespread volcanism: Report

An Earth-sized planet orbiting a dim star in our galactic neighborhood is offering some of the best evidence to date of volcanism beyond our solar system.

An exoplanet called LP 791-18 d, an Earth-size world about 90 light-years away, is seen in an undated artist's rendering. (Reuters)

science

Published on May 18, 2023 06:36 AM IST

Reuters |

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Science

This major development reportedly dodges the need for eggs or sperms for the creation of human embryos.

Phosphorus is fundamental unit of the structure of DNA and, a vital part of cell membranes and energy-carrying molecules existing in all forms of life on Earth.

Payne made the discovery in 1967 during a research trip to Bermuda.

Researchers at the renowned institute used AI to carry out a mission on the lines of the one shown in the Tom Cruise-starrer summer 2022 blockbuster.

According to the researchers, the mountains are parts of the lower mantle that have been superheated due to their proximity with Earth's incandescent core.

Based on the brain scans, the researchers found that it took three years for the ventricles to fully recover after such journeys.

The study covered 1,126 overweight people in the United States, half receiving metformin and half a placebo in the days after testing positive for Covid.

Average annual emissions over the same period hit an all-time high of 54 bn tonnes of CO2 or its equivalent in other gases -- about 1,700 tonnes every second.

Researchers assessed three species of macaques with different social tolerance levels, from authoritarian to more relaxed societies.

All activity was within a closed area of Hawaii Volcanoes National Park.

The periodic table is not just the story of discoveries aided by better technological innovations, it’s also the story of sheer genius

HT on May 22 reported that the launch of the much-awaited mission is likely to happen on July 12 and the lunar touchdown is expected on August 23.

Europa Clipper’s main science goal is to determine whether there are places below the surface of Europa that could support life, said NASA.

GUARDIAN utilises the signals from global navigational satellite systems (GNSS) to detect the occurrence of tsunamis worldwide.

The leak is on top of the Cascadia Subduction Zone fault which is around 80 km off the coast of Oregon in the United States.

Kepler's renewed mission, K2, studied how citizen scientists hunted for signals of transiting worlds or planets crossing in front of their stars.

In its present status, NavIC is competing with QZSS from Japan, which also targets only the Japanese and neighbouring regions.

Foucault’s Pendulum is the largest of its kind in India, standing at a towering height of 22 meters and weighing a substantial 36 kilograms.

The crew will stay aboard the station for around five months, during which they will conduct scientific experiments and regular maintenance.

In the reported attacks on sailing boats, smaller orcas in the vicinity appeared to be imitating the larger ones.

Amid the search for another life beyond Earth, an alien signal was beamed to the planet from Mars for the first time.

A New York company that makes carbon-negative aviation fuel is taking the menu for interplanetary cuisine in a very different direction.

Participants will face equipment failures and water limitations, the space agency has warned -- as well as some "surprises," according to Haston.

A key challenge when studying the palaeo-record – trackways, fossils, or any other kind of ancient sediment – is determining how old the materials are.

Enhance rock weathering increases the contact area between rainwater and rock, consequently facilitating greater carbon removal.

The study examined data from over 35,000 species of animals and seagrasses (including mammals, amphibians, birds, etc) from every continent and ocean basin.

A new study has discovered that the placenta plays a considerably larger role in the development of sickness than previously thought.

Rayyanah Barnawi, a breast cancer researcher, is the first-ever Saudi woman to voyage into space along with another Saudi national, Ali AlQarni.

Removal of silicon and magnesium from asbestos has been shown to disrupt its fibrous structure.

An Earth-sized planet orbiting a dim star in our galactic neighborhood is offering some of the best evidence to date of volcanism beyond our solar system.

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