Dr. Universe: How do scientists know the mass and size of planets? – Lucy, 10, Illinois
Dear Lucy,
When I go to the doctor, they measure how big I am. They use a scale to check my weight. They find my height with a measuring…

Dr. Universe: How do scientists know the mass and size of planets? – Lucy, 10, Illinois
Dear Lucy,
When I go to the doctor, they measure how big I am. They use a scale to check my weight. They find my height with a measuring…

Inside the high-arched lobby of the Bank of England Museum, lines of women in flowing satin dresses twirl around men wearing stiff collars and black tailcoats. The room is filled with the sound of violins and conversation. The feathers and…



Sodexo has once again been ranked on the prestigious CDP1 Climate A List, positioning itself among the world’s leading companies for environmental transparency and performance. Only 4% of the more than 22,000 companies assessed in 2025 received this top score, and Sodexo is the only company in its sector to achieve this distinction.
Being included on CDP’s A List highlights Sodexo’s consistent commitment to climate action, marking the second time the Group has received CDP’s highest rating. The score reflects both the ambition of Sodexo’s climate strategy, aligned with the Science-Based Targets initiative (SBTi) to achieve Net Zero by 2040, and the rigour, transparency and execution of its environmental disclosures.

The Pakistan Meteorological Department (PMD) has responded to viral social media posts claiming Pakistan could witness widespread snowfall from Peshawar to Lahore and an “unprecedented” cold spell between January 16 and 25.
The claims,…

We’re pausing our live coverage – thank you for reading along. Here’s a quick recap of today’s key developments:
At least 648 demonstrators have so far been killed in the ongoing crackdown by Iranian security forces…

A large majority of U.S. adults are unfamiliar with cardiovascular-kidney-metabolic (CKM) syndrome, even though it affects nearly 90% of adults nationwide. CKM syndrome is a recently defined condition that brings together several major health…