Medio ambiente

The ingenious feeding technique of flamingos explained

SMGN mayo 16, 2025

Flamingos, known for their graceful appearance, display a feeding behavior that has puzzled experts for years. These birds feed in salty swamps and marshes around the world, consuming shrimp and algae. Yet, their feeding habits seem unusual: they dip their heads underwater, rapidly open and close their bills, and perform

Genetic and physiological adaptations make Jeju Island’s Haenyeo unique

SMGN mayo 15, 2025

The Haenyeo, a community of female free divers on Jeju Island, South Korea, have drawn scientific interest for their remarkable ability to dive in cold waters and collect seafood. These women, who begin diving at a young age and continue well into old age, exhibit genetic and physiological adaptations that

Understanding language origins: New insights from chimpanzee communication

SMGN mayo 14, 2025

Researchers have identified two fundamental elements of human language in wild chimpanzees, one of our closest relatives. Two recent studies reveal that chimpanzee communication features both rhythmic structures and call combinations, key components of spoken language. These findings offer a broader understanding of how human language may have evolved, according

A guide to switching appliances from gas to electric

SMGN mayo 13, 2025

After replacing their gas car with an electric one and installing solar panels on their century-old home, Lindsey Williamson and her husband looked for more ways to reduce their carbon footprint. They learned about heat pump water heaters but struggled to find a local installer familiar with this technology. Williamson’s

Natural phenomenon on California shores: Velella Velella take over the beaches

SMGN mayo 9, 2025

California beaches have seen some tragic events this year, with dead sea lions, dolphins, seagulls, pelicans, and even a minke whale washing ashore from San Diego to Santa Barbara. Recently, however, beachgoers have witnessed a beautiful marine life phenomenon: hundreds of thousands of Velella velella, also known as by-the-wind sailors,

Most of the Deep Seafloor Remains Unexplored

SMGN mayo 7, 2025

The vast majority of the planet’s deep seafloor remains unexplored, according to a new study. Less than 0.001% of this expansive area has been directly observed by humans, an area roughly the size of Rhode Island. While tools like sonar can map the seafloor’s shape, deploying cameras beyond 200 meters,

Air pollution still affects millions in the U.S. despite decades of improvement

SMGN abril 30, 2025

Over the past several decades, air quality in the United States has seen significant progress, contributing to increased life expectancy and reduced respiratory conditions. However, a recent report indicates that around 156 million people — nearly half the population — still live in areas with unhealthy levels of air pollution.

The U.S. moves toward authorizing mining on the ocean floor, a fragile ecosystem

SMGN abril 28, 2025

Former president Donald Trump signed an executive order aimed at facilitating mining activities on the deep ocean floor, stating that it would strengthen the domestic supply of critical minerals. Currently, no commercial-scale deep-sea mining operations exist worldwide. However, companies have long viewed the ocean floor as a potential source of

Budget cuts impact NOAA’s hurricane forecasting and climate research programs

SMGN abril 25, 2025

Recent administrative decisions have led to significant layoffs and budget reductions at the National Oceanic and Atmospheric Administration (NOAA), affecting weather and climate-related research, including hurricane forecasting efforts. Several employees, including probationary scientists like Andy Hazelton, were terminated earlier this year, temporarily reinstated following a federal court order, and then

Tornado-producing storm causes deaths and damage in Oklahoma and Texas

SMGN abril 21, 2025

A slow-moving, active storm system brought heavy rain, large hail, and tornadoes to parts of Texas and Oklahoma, leaving three people dead. Severe weather warnings continued on Sunday, affecting parts of the south-central and Midwest U.S. On Easter Sunday, communities in Texas and Oklahoma began assessing the damage caused by

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U.S. Denies Role in Israeli Strike on Iran but Signals Tougher Stance if No Deal Emerges

SMGN junio 13, 2025

Washington urges restraint while making clear that new attacks could follow if Tehran rejects nuclear diplomacy Following a large-scale military operation by Israel targeting Iranian infrastructure, the U.S. government has publicly stated it was not involved. Officials emphasized that while American troops in the region remain a priority, the strikes

CDC Vaccine Panel Restructured as Kennedy Replaces All Members With New Experts

SMGN junio 13, 2025

Sweeping changes to immunization advisory body raise questions about future access and national vaccine policy This week, a little-known but highly influential panel within the Centers for Disease Control and Prevention entered the spotlight. The Advisory Committee on Immunization Practices (ACIP)—responsible for recommending vaccines and guiding what’s covered by insurance

The Hidden Cost of Convenience: How ‘Buy Now, Pay Later’ Is Reshaping Spending Habits Amid Fewer Consumer Protections

SMGN junio 13, 2025

BNPL services blur the line between innovation and financial risk, especially as regulations shift and affordability pressures rise Brittany Luse, like many consumers today, finds herself caught between financial constraints and the increasing ease of instant purchasing. The search for a decent couch has become less about style and more