Roughly 390 million years ago, marine animals began inhabiting deeper parts of the ocean that had previously been unlivable. A new study shows this expansion was enabled by a permanent rise in deep-ocean oxygen, linked to the aboveground spread of woody plants—the precursors of Earth’s first forests. This increase in oxygen availability coincided with a surge in the diversification of jawed fish (gnathostomes), the ancestors of most vertebrates alive today. The findings suggest that oxygen not only enabled but also…

The advent of agriculture in the Neolithic era transformed human culture, giving rise to permanent settlements, social complexity, and food surpluses. Traditionally, the origins of key crops such as wheat, barley, and legumes have been traced to the Fertile Crescent about 10,000 years ago, where the Natufians harvested wild grains. A new study, however, reveals that by at least 9,200 years ago, communities far to the north and east—in southern Uzbekistan—were also harvesting wild barley using sickle blades. This discovery…

Around 4.5 billion years ago, Jupiter rapidly expanded into the giant planet we see today. Its immense gravity disturbed the orbits of rocky and icy planetesimals—small bodies that resembled today’s asteroids and comets. These high-speed collisions caused their rocky material to melt, producing floating droplets of molten rock known as chondrules. These droplets, preserved in meteorites, offer vital clues to the early history of the solar system. Unlocking the Secrets of Chondrules For the first time, researchers from Nagoya University…

New research shows meandering rivers existed long before vegetation, reshaping our understanding of Earth’s climate history Challenging a Classic Geological Paradigm A new study from Stanford University overturns a decades-old view that the rise of land plants roughly 500 million years ago fundamentally changed the way rivers flowed. Traditionally, geologists believed that before vegetation stabilized riverbanks, rivers ran almost exclusively in braided patterns—with multiple channels winding around sandy bars. After plants appeared, rivers were thought to evolve into meandering styles,…

Study reveals nearly 1.5 times higher risk of high-severity wildfires on industrial private lands Forests managed by timber companies are significantly more prone to destructive wildfires than publicly owned forests, according to new research led by the University of Utah, University of California, Berkeley, and the United States Forest Service. Industrial forests face higher wildfire risk The study found that the odds of high-severity wildfire were nearly one-and-a-half times higher on industrial private land than on public land. Industrially managed…

RIVERSIDE, Calif. — August 20, 2025 — Planting trees can help cool the climate and reduce wildfires, but the benefits are greatest in the tropics, according to a new study from the University of California, Riverside (UCR). Published in npj Climate and Atmospheric Science, the study shows that while tree planting has a net positive effect on the climate worldwide, local temperature impacts vary by region. In higher latitudes, tree planting can sometimes produce a slight warming effect, whereas tropical…

Researchers at the University of Nottingham’s School of Biosciences have identified the critical elements that influence chocolate flavour during the fermentation of cocoa beans. Their findings, published today in Nature Microbiology, may furnish chocolate manufacturers with effective methods to reliably generate high-quality, flavor-rich chocolate. The researchers studied the impact of abiotic variables, including temperature and pH, as well as microbial communities, on the fermentation process. They identified microbial species and metabolic characteristics closely associated with fine-flavor chocolate, determining these elements…

Flowers are central to plant reproduction and have held cultural and ornamental significance for centuries. Among them, the African violet (Streptocarpus sect. Saintpaulia ionanthus Wendl.) is particularly admired for its striking variety of petal color patterns. These patterns result from the accumulation of anthocyanins—pigments that create a spectrum of hues. One variety, the white-striped African violet, has been cultivated for its unique appearance. Until now, scientists believed these stripes were caused by periclinal chimera—genetically distinct cell layers producing different colors….

Maryland researchers uncover how North American river otters shape local ecosystems through diet, parasite spread, and habitat use. Investigating Life Along the Chesapeake Bay North American river otters have long inhabited the Chesapeake Bay, yet little is known about how their environment influences their daily lives. To explore this, researchers from the Smithsonian Environmental Research Center (SERC) in Maryland studied where these otters feed, socialize, and defecate, as well as what they eat. Their findings are published in Frontiers in…

Study Highlights Unexpected Ecological Benefits of Parasite-Ridden Diets Edgewater, Md. — August 14, 2025 — North American river otters may not be known for their table manners, but their messy eating habits could make them valuable allies in tracking environmental health threats. A new study from the Smithsonian Environmental Research Center (SERC) reveals that the parasites found in the otters’ prey may serve as important indicators of ecosystem changes. The study, published in Frontiers in Mammal Science, is the inaugural…

Historically, lakes have been perceived as contributors to carbon dioxide emissions; however, recent research indicates they may function as carbon sinks. Research conducted by Uppsala University indicates that lake shorelines sequester more carbon than previously estimated, underscoring the necessity of including these littoral zones in assessments of the continental carbon balance. The littoral zones of lakes are typically bordered by aquatic plants, which are among the fastest-growing flora globally. They absorb significant quantities of carbon from the atmosphere, while substantial…

Glaciers sculpted the profound valleys of Banff, eroded Ontario to deposit the fertile soils of the Prairies, and continue to alter the Earth’s surface. What is the rate at which glaciers shape the landscape? Today, Nature Geoscience published a study by University of Victoria geographer Sophie Norris and her international colleagues, offering the most extensive analysis of glacial erosion rates and their impact on the landscape. Their research notably offers an assessment of the current erosion rate for over 180,000…

According to new research, large ocean species can be protected in large Marine Protected Areas (MPAs) for a large portion of their lifecycles. The Chagos Archipelago MPA is a 640,000 km² protected area in the Indian Ocean where the study monitored the migrations of seabirds, manta rays, and sea turtles. Findings revealed that 95% of all recorded tracking locations for these wide-ranging species fell within the MPA boundaries — highlighting its effectiveness in protecting highly mobile marine wildlife. Comparing Large…

An ancient meat-eating mammal 56 million years ago adapted to a significant event of global warming by eating more bones, according to study headed by Rutgers University. This finding provides contemporary insights into how animals may react to climate change. Lessons from the Paleocene–Eocene Thermal Maximum According to a recent study done by Rutgers University, during the Paleocene–Eocene Thermal Maximum (PETM), a rapid warming event that lasted roughly 200,000 years ago, the extinct predator Dissacus praenuntius modified its diet in…

Substantial surface waves generated by powerboats are essential for recreational watersports. A recent study from the University of Minnesota Twin Cities indicates that underlying factors, including propeller thrust and various wave types, might affect fragile lakebed ecosystems. Researchers at the University of Minnesota’s St. Anthony Falls Laboratory expanded on earlier studies to investigate powerboat impacts on lake ecosystems during the 2022 and 2023 field seasons. The lake bottom and the water column are two different places and depths where the…

As early humans migrated from verdant African forests to grasslands, their need for accessible energy supplies prompted them to cultivate a preference for herbaceous plants, particularly grains and subterranean starchy tissues. However, a recent study led by Dartmouth indicates that hominins commenced consuming these carbohydrate-dense foods prior to developing the optimal dentition for such dietary practices. The research presents the inaugural evidence from the human fossil record of behavioural drive, indicating that survival-enhancing behaviours arise before to the physical adaptations…