Science News - Page 28
Earth day 2021: Microbial diversity is under threat which endangers the rest of the planet
temperature shifts associated with climate change affect the composition of microorganisms in the environment.
Earth day 2021: What can Joe Biden’s summit achieve for climate action?
One of the outcomes of this summit could be US and China working together to achieve their targets during the next few years.
Earth Day 2021: Licypriya Kangujam, Sadhguru, others come together on Twitter urging us to 'Restore our Earth'
Started in 1970, this day is celebrated to shine a light on the extenuating circumstances that are plaguing our planet.
Earth Day 2021: Google Doodle illustrated video encourages everyone to plant more trees
Designed by artist Sophie Diao, the Google Doodle video for Earth Day 2021 highlights importance of planting trees for the future.
Earth Day 2021: Joe Biden to host Earth Day climate Summit; how to watch it online, who is attending
Biden invited 40 national leaders and some of the main polluters India, China, UK, and Russia have accepted their invitations.
How did NASA's Ingenuity helicopter make it first flight on another planet?
Ingenuity doesn’t have the rear rotor blades and commands cannot be given in real-time.
Blood clots should be listed as 'very rare' side effect of J&J COVID-19 vaccine, says EU agency
Europe's Johnson & Johnson campaign was delayed after US health regulators said the shot should be paused over blood clot fears.
Whale pod breaks migration pattern, scientists believe it's an effect of climate change
Another explanation is "predator avoidance," with the bowheads steering clear of orca whales.
Paris Climate Agreement: The climate pledges of India, China, US and world's other top emitters
Under the Paris Climate Agreement, signatories are required to periodically renew their emission-cutting plans to drive more rapid decreases in emissions.
World running out of time to tackle climate crisis, 2021 must be year of action: UN
"We are on the verge of the abyss," said UN chief Antonio Guterres."This is truly a pivotal year for humanity's future."
Dementia risk higher in 50-70 year-olds who sleep for less than six hours, finds study
Almost 8,000 people participated since 1985 with them either self-reporting their sleep duration or wearing monitors.
Meet IIT alumnus Dr J (Bob) Balaram, the man who helped design NASA's Ingenuity helicopter
Balaram had said if the Mars helicopter was successful, it would open up a whole new dimension of exploring Mars.
NASA's Ingenuity helicopter successfully takes maiden flight in Jezero Crater on Mars
Perseverance rover sent a video showing the chopper hovering three meters for 10 seconds, then touching back down.
Debris removal: Space law is an important part in the fight against space junk
While trying debris removal technologies, it is also imperative that authorities work out the best ways to regulate space activity.
WHO against use of vaccine passports for international travel as it would promote inequality
Some have criticized that the passport would lead to discrimination between young, old and rich, poor.
Global efforts to stop climate change won't be as successful if India doesn't step up
And unlike many other countries, India is on track to exceed its voluntary goals under the 2015 Paris climate agreement.
India must prioritise adapting eight highly vulnerable eastern cities for climate change, says report
The eight cities are Jharkhand, Mizoram, Odisha, Chhattisgarh, Assam, Bihar, Arunachal Pradesh and West Bengal.
Greta Thunberg urges nations to 'step up' fight against COVID-19 vaccine inequality
It's unethical that young, healthy people in high-income countries are getting vaccines when at-risk groups in low- and middle-income countries aren't.
After losing a decade to act against climate change, 2020s offer us one last chance
Every fraction of a degree of avoided warming matters and its value is measured in terms of human lives, species and ecosystems saved.
NASA greenlights launch of SpaceX's third crew mission to the ISS
This will be the first crew flight using a recycled Falcon and Dragon as both were designed for reuse.
Google Earth adds time-lapse feature for satellite imagery to show impacts of climate change
Google says it undertook the complex project in partnership with several government agencies.
Two cosmonauts, 1 astronaut touch down on Earth after six months aboard ISS
This was the second missions for Kate Rubins, and Sergei Ryzhikov Ryzhikov but first mission for Sergei Kud-Sverchkov.
Blue Origins pulls employees out of test rocket at the last minute, uses dummy
The reusable booster landed upright seven minutes after liftoff and the capsule touched down about three minutes later.
SpaceX will build lunar lander for NASA to send humans back to the moon
Flying to the moon on NASA-launched Orion capsule astronauts will transfer to Starship in lunar orbit for the ride down and back.
Google Doodle celebrates the 151st birth anniversary of Russian Princess Vera Gedroits
Vera Gedroits was a military surgeon, professor, poet, and author who took part in both the Russo-Japan war and World War I.
Gaganyaan mission to see India, France collaborate on astronaut training, key components
CNES will also be supplying fireproof carry bags made in France to shield equipment from shocks and radiation.
Earth was home to billions of T-rex over lakhs of generations, suggests new study
The estimate comes from studies of well-preserved T rex fossils – 32 of them, with enough material to determine they were adults.
Nurse embracing patient in Brazil wearing 'hug curtain' wins World Press Photo of the Year
The photo symbolizing 'love and compassion' shows an 85-year-old woman getting her first embrace in five months from a nurse, through a 'hug curtain'.
NASA's Osiris-Rex spacecraft leaves a mess on asteroid while making its return to Earth
A depression is visible where Osiris-Rex penetrated the asteroid’s surface. Boulders were hurled by the pressurised nitrogen gas that was fired at the ground to churn up material for vacuuming, and by the spacecraft’s getaway thruster.
J&J COVID-19 vaccine in limbo as countries, experts seek evidence for blood clotting issue
Vaccination-related blood clots are raising alarm because they are at least three times more likely than experts expect of typical clots in the brain.