Staying cool: The effort is to have most major economies pledge to reach net zero by mid-century.

Countries’ pledges improve odds of thwarting global temperature rise by a third

Jacob Koshy
A solar flare bursts off the left limb of the sun in this image captured by NASA's Solar Dynamics Observatory in 2014. File
Science

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Solar physicists predict a Solar Deepavali this year

Shubashree Desikan
Two sides: The biggest argument against booster doses is that of vaccine equity, since even a single dose of a vaccine protects against hospitalisation and death.
Science

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Decision on booster doses must be evidence-based

Lancelot Pinto
Larger role: Insulin, commonly associated with regulation of glucose metabolism, also plays a part in tissue growth and maintenance.
Science

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New light on how insulin signalling affects tissue health

Shubashree Desikan
After relying on other countries to launch its satellites since the early 1990s, South Korea is now trying to become the 10th nation to send a satellite into space with its own technology.
International

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South Korea unsuccessfully test launches 1st domestically made space rocket

AP
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