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70-million-year-old fossils of one of world’s last megaraptors discovered in Argentina

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.
Earth

Scientists reveal why North Magnetic Pole has shifted from Canada towards Siberia

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.
High school students demonstrate against global warming. | Adam Berry / Getty Images

Earth Day turns 50, and the world is celebrating it digitally for the first time

Theme for 50th anniversary of Earth Day is climate action, already the topic of conversation around the world in the coronavirus pandemic.
The change in oceans’ colour takes place because of the difference in quantities of phytoplankton, a microscopic algae | Pixabay

A trove of Viking-era artefacts and an ocean creature that may be the world’s largest animal

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.
An artist's impression of the star S2 orbiting the supermassive black hole at the centre of the Milky Way I Photo: ESO/L. Calçada

A dancing star in the heart of the Milky Way proves Einstein right, again

Astronomers at European Southern Observatory have discovered that the orbit of star S2 around a Milky Way black hole is flowery in shape, not elliptical. 
A diagram of the temporary moon's orbit created by an orbit stimulator | Twitter | @WierzchosKacper

Earth has a second moon — car-sized, dark and temporary

Detected by astronomers at University of Arizona, the small and dark moonlet has been in the Earth's orbit for the past three years and will be ejected by April 2020.
Birds fly over the Quito Glacier on Greenwich Island, Antarctica

‘State of planetary emergency’: Global climate tipping points seen in fresh warning

Scientists lay out 9 crucial tipping points to suggest that the Earth is dangerously close to passing into irreversible planetary damage.

What Earth’s changing climate can teach us about altering the surface of Mars

Controlling the UV and infra-red radiation is a pressing issue on Earth. But it also presents a challenge for those who dream of colonising Mars.
In this 20 second exposure, a meteor streaks across the sky during the annual Perseid meteor shower

Did a large meteorite really hit earth more than 12,800 years ago? Here’s new evidence

There is no doubt that platinum spikes in North America coincide closely with the large-scale extinction of animals about 12,800 years ago.
Venus in comparison to Earth | Needpix.com

Move over Mars & Moon, we need to get back to Venus – the planet almost exactly like Earth

If scientists can understand why Venus turned out the way it did, we’ll know whether an Earth-sized world is the rule or the exception.

On Camera

Does Trump help or harm India’s interests when he offers to mediate with China, Pakistan?

US President Donald Trump Wednesday offered to mediate between India and China over the "raging border dispute".

Defence

Indian and Chinese soldiers jointly celebrate the New Year 2019 at Bumla along the Indo-China border, Arunachal Pradesh

Chinese aggression in Ladakh also a message for domestic and external audience: Experts

International experts say the timing is troubling as it comes at ‘a critical phase in India's internal difficulties with the Covid-19 pandemic’.
Illustration: Soham Sen | ThePrint

PM, CM, DM: India’s 3 big power centres have been exposed by one disaster

The prime minister, chief minister and district magistrate are the three engines of India’s governance, but their handling of the coronavirus pandemic is going awry.