Noticias domingo 21 de diciembre: Solsticio. Scientists urge governments not to wait for global plastics treaty as pollution continues to grow

Gaza famine pushed back, but millions still face hunger and malnutrition, UN says

What makes people welcome or reject refugees? What research in Germany reveals

Felipe Paullier, de Uruguay, encargado de dar voz a los jóvenes de todo el mundo como primer subsecretario de la juventud

The world risks forgetting one of humanity’s greatest triumphs as polio nears global eradication − 70 years after Jonas Salk developed the vaccine in a Pittsburgh lab

Saturday Citations: Self-repairing quantum computer; AI carbon footprint; active listening forges bonds

WRI: Our Biggest Stories of 2025: From Climate Politics to AI and Beyond

Desentendimento entre cientista e revista Nature reacende discussão sobre o mito da neutralidade científica

Jigsaw puzzles help make mathematics learning more active and fun  

 Ranked: The Best Countries at Math

Guía práctica para el cuidado del eléboro, la rosa de Navidad que florece durante todo el invierno

 Weighing sustainability of real vs. fake Christmas trees

 Características del invierno astronómico 2025-2026. ¿Qué nos deparará?

La NOAA avisa: el Pacífico ecuatorial comenzará a calentarse pronto y podría dar paso al fenómeno de El Niño en 2026

 Through the Eyes of Mirko Maini: Featured Photographer in the ‘Pursuit of Power’ SWE Calendar (April 2026)

What Is the EU Deforestation Regulation? 7 Key Questions, Answered

Beetles block mining of Europe's biggest rare earths deposit

5 claves sobre el futuro del automóvil en la UE

Dermatose nodulaire : le point sur les actions des agriculteurs mobilisés contre l'abattage total des troupeaux touchés, en cours samedi

 Comment le crapaud le plus menacé de France pourrait être sauvé grâce à des mares

“C’est une sorte de Yéti des montagnes” : à la découverte de la fascinante mouche des neiges

 No solo hay volcanes y hielo: la cultura balnearia de Islandia finalmente ha sido declarada Patrimonio de la Humanidad    

 UK to re-join Erasmus+ – here are six benefits of the European exchange scheme

Bruselas propone prorrogar dos años las normas de escaneado de chats en la UE

Pourquoi la hausse du prix des mémoires vives informatiques est une menace pour l’économie européenne

Phylogenetic influence on gut microbiome diversity within an African herbivore community

A flood of logs post-Cyclone Senyar leaves Padang fishers out of work

Un tren de alta velocidad mata a siete elefantes en India

En Polynésie, on croise savoirs locaux et science pour mieux gérer les lagons

 Christmas 2025 Forecast: Warmest Holidays since the 1950s under a Historic Heat Dome 

 Statewide survey aims to put California’s fungi on the conservation map

Lessons from the Caldor Fire's Christmas Valley 'miracle'

RFK Jr. wants to scrutinize the vaccine schedule – but its safety record is already decades long

ByteDance’s agreement to sell TikTok puts app’s algorithm in the spotlight – a social media expert explains how the ‘For You’ page works and what’s to come

Las 10 investigaciones más leídas de Latinoamérica en 2025

Podocarpus-Yacuri: así es el corredor ecológico más grande de Ecuador

Políticas ambientais: o que revela o novo diagnóstico sobre as Unidades de Conservação da Amazônia Legal

Conheça o papel do laboratório brasileiro Criosfera 1 no acompanhamento da recuperação da camada de ozônio

Comienza en Chile la construcción del observatorio de rayos gamma más grande y potente del mundo

Mapped: South America’s Biggest Cities in 2025

Tiempo frío y húmedo para largo  

«Proteger la naturaleza es proteger nuestra propia capacidad de vivir»

Declaración sobre la financiación y gestión de la investigación científica en España-2025

https://rac.es/ficheros/doc/30ad058e15a83f1f.pdf

El equipo arqueológico del yacimiento de la Paridera de la Dehesa de Muel (Zaragona) expone 'Lo que revelan los huesos'

Restos de animales de hace 4.000 años abren nuevas vías de estudio sobre las comidas durante la Edad del Bronce

Las matemáticas desmontan los mitos de la Lotería: tu número favorito no tiene más opciones

Propuestas para una inteligencia artificial feminista

La ola de gripe lleva al límite las Urgencias de varios hospitales a un ritmo de un paciente cada 3 minutos

Maderadas y caminos del agua: La conducción de maderas por los ríos Turia y Cabriel-Júcar

Scientists urge governments not to wait for global plastics treaty as pollution continues to grow

Las dificultades del Antropoceno

La transformación sostenible del sistema alimentario puede ayudar a limitar el aumento de la temperatura

Eliminating air pollution disparities requires more than emission reduction

Microbial driver of 2006–2023 CH4 growth indicated by trends in atmospheric δD–CH4 and δ13C–CH4

Resolved tropical cyclones trigger CO2 uptake and phytoplankton bloom in an Earth system model simulation

 How shipwrecks become ‘islands of life’ in barren seas

Globally aggregated biodiversity data impact predictive and descriptive research

Nature's pest controllers: Wasps keep whiteflies in check as resistance proves costly for survivors

  Is your dog or cat getting old? These simple gestures could help them live longer and happier lives

 Industrial solar cells achieve 26.09% efficiency with reduced silver use and better bifacial performance

Turning plastic waste into valuable chemicals with single-atom catalysts

First beta-delayed neutron emission observed in rare fluorine-25 isotope

Electrostatics overcome acoustic collapse to assemble, adapt, and activate levitated matter

 New report outlines global framework to support responsible innovation and leadership in AI

 Ranked: Top 20 Countries with the Most Internet Users

AI goes to physics class

 Quantum entanglement could connect drones for disaster relief, bypassing traditional networks

Why quantum computers have memory problems over time

 La humanidad se enfrenta a otro problema dañino: el síndrome de Kessler generado por la acumulación de basura especial

Saturn’s icy moon Enceladus is an attractive target in the search for life – new research

 Une femme paraplégique devient la première personne en fauteuil roulant à voyager brièvement dans l'espace

 Pressing pause: A small genetic stop may have helped complex life evolve

Des Néandertaliennes et des enfants victimes de cannibalisme il y a 45 000 ans

Computationally efficient whole-genome quantile regression at biobank scale

MultistageOT: Multistage optimal transport infers trajectories from a snapshot of single-cell data

RNA steps outside the cell to help guide immune responses, study suggests

The subcellular architecture of Paratrypanosoma confusum revealed by CryoET: A window into early trypanosome evolution

Climate sensitivity is widely but unevenly spread across zoonotic diseases

Cáncer de mama: la nueva terapia que podría cambiar el tratamiento más común de los últimos 25 años

El misterio del síndrome del intestino irritable en mujeres: la hormona que podría explicarlo todo

The role of neuroinflammation in progressive multiple sclerosis

Natural protein drug may slow neuron death linked to Alzheimer's disease

Caminar para detectar precozmente el Mal de Parkinson o el Alzheimer

 Molecular mechanisms underlying p62-dependent secretion of the Alzheimer-associated ubiquitin variant UBB+1

Eczema injectable drug provides quick itch relief, clinical trial results show

Rethinking recurrent brain activity: Core neurons provide an alternative explanation

As sinapses também amam, meu amor: como a neurociência explica o que acontece no cérebro e no coração dos apaixonados

 Evaluating large language models in biomedical data science challenges through a classroom experiment

How C-reactive protein outpaced ‘bad’ cholesterol as leading heart disease risk marker

Consumo de cafeína por grávidas: a exposição precoce realmente provoca alterações metabólicas nos bebês?

How a gourmet's palate becomes refined: Taste training mechanisms 

How neuromuscular training helps growing teens to retain their motor skills

L’ultra-trail, entre recherche de performance et quête intérieure