What really makes fish become sexually active
Discounting anthropogenic-induced changes, the seasonally oscillating environments where long-lived fish hatch and grow remain more or less the same throughout the course of their lives. This means that the common explanation that states that fish be.....»»
Invasive, blood-sucking fish "may hold the key to understanding where we came from," say biologists
One of just two vertebrates without a jaw, sea lampreys that are wreaking havoc in Midwestern fisheries are simultaneously helping scientists understand the origins of two important stem cells that drove the evolution of vertebrates......»»
Google’s Play Store wants to pivot from grab-and-go to an active destination
If multi-app shopping doesn't keep you there, maybe free Pixel gear will. Enlarge / I like the idea of clicking "Realistic," "MMORPG," and "Word" boxes, just to see what comes back. (credit: Google) Google Play is a lot.....»»
Waters along Bar Harbor, Acadia, home to billions of microplastics
Along the shores of Acadia National Park, Bar Harbor and the Schoodic Peninsula are the vast, briny waters of Frenchman Bay. With 98 square miles of water and 39 islands, the bay is vital to shorebirds, fish, lobstermen and outdoor recreationists. Un.....»»
Addressing food insecurity for poor South African households
Food insecurity is a feature of life for millions of South Africans. Food insecurity refers to a lack of regular access to enough safe and nutritious food for average growth and development and an active and healthy life. This may be due to unavailab.....»»
New automated system provides a way to detect elusive volcanic vibrations
A new automated system of monitoring and classifying persistent vibrations at active volcanoes can eliminate the hours of manual effort needed to document them......»»
Off Ecuador"s Galapagos, a former shark-poaching ship"s new mission
When Ecuador's navy seized a Chinese-flagged ship off the Galapagos Islands in 2017, its hold brimmed with tons and tons of poached fish, many of them threatened species like hammerhead and thresher sharks......»»
Mexico tries to bring drought-stricken lake back to life
Mexican authorities are releasing thousands of juvenile fish and cleaning up freshwater springs as part of efforts to rejuvenate one of the country's lakes stricken by drought and heat waves......»»
NASA sounding rocket launches, studies heating of sun"s active regions
Investigators at NASA's Marshall Space Flight Center in Huntsville, Alabama, will use observations from a recently-launched sounding rocket mission to provide a clearer image of how and why the sun's corona grows so much hotter than the visible surfa.....»»
Baby bull sharks are thriving in Texas and Alabama bays as the Gulf of Mexico warms
In late spring, estuaries along the U.S. Gulf Coast come alive with newborn fish and other sea life. While some species have struggled to adjust to the region's rising water temperatures in recent years, one is thriving: juvenile bull sharks......»»
Scientists replicate enzyme that captures carbon
Scientists from King's College London have recreated the active site of Acetyl-CoA Synthase, an enzyme involved in capturing carbon from the atmosphere. The research, carried out in collaboration with Imperial College London, advances our understandi.....»»
Fish biodiversity found to benefit nutrition, particularly for lower income people
Households caught and consumed a far more diverse array of fish than they sold at market, which has important implications for how loss of biodiversity might affect people's nutrition, especially for those with lower incomes. A Cornell study is one o.....»»
Fish barriers may aid baby corals in reef recovery
Scientists from the Australian Institute of Marine Science (AIMS) and James Cook University (JCU) have designed special cradles for baby corals that help prevent fish from eating them alive......»»
The most endangered fish are the least studied, scientists find
The most threatened reef fish are also the most overlooked by scientists and the general public. That is the startling finding of a team of scientists led by a CNRS researcher......»»
Scientists identify brain circuits tied to the behavior of schooling fish
A flock of migrating geese glides through the summer sky in an unmistakable "V" formation… a thundering herd of bison rumbles across the plains as a formidable group... and a massive school of sardines swims mesmerizingly in unison......»»
Researchers reveal parsec-scale radio emission properties of dual AGNs by multi-phase-center VLBI observations
Galaxy mergers play a crucial role in the cosmological evolution of galaxies. During galaxy merging, tidal torques can trigger the accretion and feedback of the central black holes in merging galaxies, forming dual active galactic nuclei (AGNs)......»»
After grizzly"s death, environmental groups to sue Fish and Game over Idaho bear baiting
Several environmental activist groups on July 15 notified state officials and the Idaho Department of Fish and Game that they intend to file a lawsuit over the agency's allowance of bear baiting, which the groups said put federally protected grizzly.....»»
Asexual reproduction usually leads to a lack of genetic diversity. Not for these ants
Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, forming a genomically robust offspring with two disti.....»»
Coastal dealers talk insurance costs, hurricane preparation know-how
NOAA expects a more active Atlantic hurricane season. Dealers, already wary of higher insurance cost,s are monitoring it......»»
Accepting uncertainty in sustainable fisheries is essential in a rapidly changing Arctic, says researcher
Climate change is making it almost impossible to decide how much, where and what to sustainably fish as the fate of future fisheries is becoming increasingly uncertain. This is leading to a slow process or inaction in adapting fisheries and their man.....»»
Investigating variation in the permafrost active layer over the Tibetan Plateau from 1980 to 2020
The Tibetan Plateau hosts the world's largest permafrost region in the middle and low latitudes. Compared to the high-latitude Arctic permafrost, the permafrost here is thinner, warmer, and more sensitive to global warming. The active layer is a cruc.....»»