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Science

Some of the world’s atomic clocks were off last week (by 5-millionths of a second)

Some of the world's most accurate clocks were affected by a wind-induced power outage on Dec 17, 2025.
Some of the world's most accurate clocks were affected by a wind-induced power outage on Dec 17, 2025.

ST Explains

Hydrogen is fuelling climate change – should we scrap plans to use it?

A new generation of gas turbines can generate electricity by using a blend of up to 75 per cent hydrogen and natural gas.. PHOTO: SIEMENS ENERGY
A new generation of gas turbines can generate electricity by using a blend of up to 75 per cent hydrogen and natural gas.. PHOTO: SIEMENS ENERGY

Pope Francis, Jane Goodall, Robert Redford: Notable figures who died in 2025

(Clockwise from left) Pope Francis, Jane Goodall and Robert Redford are among some of the notable figures who passed on in 2025.
(Clockwise from left) Pope Francis, Jane Goodall and Robert Redford are among some of the notable figures who passed on in 2025.

Trump urges 2028 astronaut moon landing in sweeping space policy order

U.S. President Donald Trump speaks during an event to announce that the Space Force Command will move from Colorado to Alabama, in the Oval Office at the White House in Washington, D.C., U.S., September 2, 2025. REUTERS/Brian Snyder
U.S. President Donald Trump speaks during an event to announce that the Space Force Command will move from Colorado to Alabama, in the Oval Office at the White House in Washington, D.C., U.S., September 2, 2025. REUTERS/Brian Snyder

Quantum software firm in S’pore gets boost in real-world testing with its own quantum computer

Horizon Quantum’s founder and chief executive Joe Fitzsimons (right) and principal engineer Kyle Chu with the quantum computer they assembled for $3 million.
Horizon Quantum’s founder and chief executive Joe Fitzsimons (right) and principal engineer Kyle Chu with the quantum computer they assembled for $3 million.

The real microplastics problem isn’t in your brain

The proliferation of tiny plastic particles is a serious environmental and health issue. But shock attention-grabbing tactics can backfire.
The proliferation of tiny plastic particles is a serious environmental and health issue. But shock attention-grabbing tactics can backfire.

Research efforts judged not just on commercial output, but by a basket of factors: PMO

Professor Tan Chorh Chuan, permanent secretary for national research and development at the Prime Minister’s Office, said research is evaluated on a basket of factors.
Professor Tan Chorh Chuan, permanent secretary for national research and development at the Prime Minister’s Office, said research is evaluated on a basket of factors.

Kissing has existed for at least 16 million years, scientists say

Scientists found kissing to be far more common among other species than previously understood.
Scientists found kissing to be far more common among other species than previously understood.

NASA rover records first evidence of lightning on Mars

The planet Mars is shown in this NASA Hubble Space Telescope view taken May 12, 2016.
The planet Mars is shown in this NASA Hubble Space Telescope view taken May 12, 2016.

South Korea's fourth space rocket launch successful, sends satellites into orbit

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MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2025 SPH Media Limited. All rights reserved.