Discovery of T-cells that protect against deadly pneumococcal disease

A new study by University of Liverpool researchers reveals how resistance to bacteraemic pneumonia is provided by a unique subset of lung T regulatory cells. Streptococcus pneumoniae (the pneumococcus) is the leading cause of community acquired pneumonia with a significant proportion of cases developing bloodstream infections. Such cases of bacteraemic…

Spanish lagoon used to better understand wet-to-dry transition of Mars

In the ongoing search for signs of life on Mars, a new study proposes focusing on “time-resolved analogs” — dynamic and similar Earth environments where changes can be analyzed over many years. Alberto Fairén, visiting scientist of astronomy at Cornell University, led an investigation in the extremely salty Tirez lagoon…

What makes people care about the environment?

A new study analyzes the factors that drive environmental concern among Europeans in an effort to understand how we can bolster popular support for combating climate change. While we can already feel the effects of climate change on our skins, the majority of the European population still does not consider…

Wear and forget: An ultrasoft material for on-skin health devices

With cancer, diabetes and heart disease among the leading causes of disability and death in the United States, imagine a long-term, in-home monitoring solution that could detect these chronic diseases early and lead to timely interventions. Zheng Yan and a team of researchers at the University of Missouri may have…

Toddlers’ attention to ‘motherese’ speech may be used to diagnose autism: Scientists develop new eye-tracking test that accurately identifies toddlers with a subtype of autism spectrum disorder

We all do it: that high-pitched, sing-songy voice that spills out of your mouth whenever a baby is around. Caregivers have long used this playful, emotional, exaggerated form of speech — called “motherese” — to capture their children’s attention. Now, scientists may be able to use it to diagnose autism…

A new ring system discovered in our Solar System

Scientists have discovered a new ring system around a dwarf planet on the edge of the Solar System. The ring system orbits much further out than is typical for other ring systems, calling into question current theories of how ring systems are formed. The ring system is around a dwarf…

Footprints of galactic immigration uncovered in Andromeda galaxy: The Dark Energy Spectroscopic Instrument reveals compelling evidence of a mass migration of stars into a galaxy other than the Milky Way

Over the course of billions of years, galaxies grow and evolve by forging new stars and merging with other galaxies through aptly named “galactic immigration” events. Astronomers try to uncover the histories of these immigration events by studying the motions of individual stars throughout a galaxy and its extended halo…

Killer whale moms forgo future offspring for benefit of full-grown sons

It’s not unusual for parents and especially mothers to sacrifice their own future success for the sake of their offspring. Now a new study in Current Biology on February 8 shows that killer whale mothers take this to a surprising extreme. They sacrifice their own reproductive success to care for…

Global wetlands losses overestimated despite high losses in many regions

Sometime this spring or summer, the Supreme Court is expected to issue a case ruling that will legally define whether federal protections should be extended to wetlands outside of navigable waters. The justices might consider reading a new Stanford-led study that finds, although wetlands remain threatened in many parts of…

New research suggests drought accelerated empire collapse

The collapse of the Hittite Empire in the Late Bronze Age has been blamed on various factors, from war with other territories to internal strife. Now, a Cornell University team has used tree ring and isotope records to pinpoint a more likely culprit: three straight years of severe drought. The…

Unearthing the impact of moisture on soil carbon processes

The ground below your feet contains some 2,500 gigatons of carbon, approximately three times the amount of carbon held in our atmosphere and four times more than is stored in every living thing — trees, ants, whales, and humans included — on our planet. Despite this, the dynamics that drive…

‘Strong indications’ Putin decided to give separatists the missile that downed MH17 in 2014, say Dutch investigators | CNN

CNN  —  There are “strong indications” that Russian President Vladimir Putin personally approved the decision to provide separatists in Ukraine with the missile that shot down the Malaysia Airlines flight MH17 in 2014, Dutch investigators said Wednesday. Citing intercepted telephone conversations by Russian government officials, the Public Prosecution Service’s Joint…

Big Oil faces scrutiny after huge jump in profits | CNN Business

London CNN  —  BP (BP), Chevron (CVX), ExxonMobil, Shell and Total (TOT)Energies raked in a record $199.3 billion in profits in 2022, benefiting from the surge in oil and gas prices that followed Russia’s invasion of Ukraine. TotalEnergies capped off the historic series of earnings Wednesday when it reported annual…

Live updates: Turkey-Syria earthquake kills thousands

Sanctions against Syria from the United States and European Union are preventing urgent aid from reaching those in need following the devastating earthquake, the country’s representative to the United Nations said Tuesday. “Lots of the airplanes, cargo airplanes, refuse to land on Syrian airports, because of the American and European…

Zelensky to make surprise visit to UK on Wednesday, says Downing Street | CNN

London CNN  —  Ukrainian President Volodymyr Zelensky will make his first visit to the United Kingdom on Wednesday since the Russian invasion of his country, Downing Street said. The surprise trip will see Zelensky meet Prime Minister Rishi Sunak, visit Ukrainian troops being trained by British forces, and address Parliament.…

Biden’s dramatic warning to China | CNN Politics

CNN  —  President Joe Biden starkly warned he will protect America against Chinese threats to its sovereignty and singled out President Xi Jinping – a striking escalation of a suspected spy balloon showdown during his State of the Union address. Biden called out Beijing on Tuesday before millions of viewers…

Mexico bans ‘shark tourism’ at great white hotspot | CNN

CNN  —  Mexico has banned shark-related tourism activities at a popular Pacific Ocean destination. Guadalupe Island off the coast of Baja California is a hotspot for great white sharks, with cage diving, sport fishing and “shark watching” from pleasure boats among the activities on offer in the area. Now, though,…