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Loss of ancient grazers triggered a global rise in fires

From 50,000 years to 6,000 years ago, many of the world's largest animals, including such iconic grassland grazers as the woolly mammoth, giant bison, and ancient horses, went extinct. The loss of these grazing species triggered a dramatic increase i.....»»

Category: topSource:  physorgNov 25th, 2021

New research calls for the protection of UK saltmarshes

The UK's saltmarshes are under threat from climate change, coastal erosion, and sea-level rise, according to a new study led by the University of St Andrews and the University of York......»»

Category: topSource:  pcmagRelated News3 hr. 45 min. ago

Researchers investigate meridional deflection of global eddy propagation derived from tandem altimetry

Since the finding of their ubiquitous presence in the ocean decades ago, mesoscale eddies have been recognized as key contributors in transporting heat and substances. A common view on the meridional deflection of eddy propagation is poleward for cyc.....»»

Category: topSource:  pcmagRelated News3 hr. 45 min. ago

A review of the applications of mercury stable isotopes for tracing volcanism in geologic events

Mercury is a toxic heavy metal that can exist stably as a gas, with high volatility and global distribution in the atmosphere. Volcanoes represent a primary natural source of Hg in the atmosphere, with significant effects on Hg cycles on both global.....»»

Category: topSource:  pcmagRelated News3 hr. 45 min. ago

Natural disasters hit 1 in 5 US adults" finances in 2023: Fed

Almost 20 percent of adults in the United States were financially impacted by natural disasters last year, the Federal Reserve said Tuesday, marking a nearly 50-percent rise from 2022......»»

Category: topSource:  physorgRelated News5 hr. 45 min. ago

La Niña is coming, raising the chances of a dangerous Atlantic hurricane season

One of the big contributors to the record-breaking global temperatures over the past year—El Niño—is nearly gone, and its opposite, La Niña, is on the way......»»

Category: topSource:  physorgRelated News5 hr. 45 min. ago

How three tenacious reefs can help restore global oyster populations

Researchers at the University of Sydney have revealed how our oyster reefs can provide lessons on reef restoration projects. More than 85% of naturally occurring oyster reefs have been lost in recent decades due to disease, overharvesting, global war.....»»

Category: topSource:  physorgRelated News5 hr. 45 min. ago

Rise in sea urchins and related damage to kelp forests impacts Oregon"s gray whales and their food, study finds

A recent boom in the purple sea urchin population off the southern Oregon Coast appears to have had an indirect and negative impact on the gray whales that usually forage in the region, a new study shows......»»

Category: topSource:  physorgRelated News5 hr. 45 min. ago

Conservation of "Nature"s Strongholds" needed to halt biodiversity loss, say researchers

To achieve global biodiversity targets, conservationists and governments must prioritize the establishment and effective management of large, interconnected protected areas with high ecological integrity, John G. Robinson from the Wildlife Conservati.....»»

Category: topSource:  physorgRelated News5 hr. 45 min. ago

California"s beaches are eroding: An expert explains how to save them

Southern California could lose many of its beaches in the coming decades. A recent study by the U.S. Geological Survey shows that up to two thirds of Southern California's beaches could disappear by 2100 if sea levels rise 3 to 6 feet, which accordin.....»»

Category: topSource:  physorgRelated News5 hr. 45 min. ago

The first lithic study of level VI-B at the Mumba site in Tanzania reveals Middle Stone Age industry

Irene Solano Megías, a predoctoral researcher at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), has just published the first techno-typological study of the most ancient lithic industry of level VI-B at the Mumba rockshel.....»»

Category: topSource:  physorgRelated News8 hr. 17 min. ago

Scientists" new drug-delivery technology is possible breakthrough for multi-strain vaccines

A new way to deliver drugs using a common protein could be used to develop mosaic vaccines, which are vaccines effective against multiple strains of a virus like COVID-19, among other medicines in a global first......»»

Category: topSource:  physorgRelated News8 hr. 17 min. ago

On the trail of global climate change—volcanism as a driver of the climate in the "Carnian Crisis"

New research on the so-called Carnian Crisis by a team led by Alexander Lukeneder, paleontologist at the Natural History Museum Vienna, reveals astonishing developments surrounding global climate change during the Triassic period......»»

Category: topSource:  physorgRelated News8 hr. 17 min. ago

Demise of rangelands "severely underestimated": Report

From camel drivers in the Sahara to nomads on the Mongolian steppe, traditional herders the world over rely on earth's wildest open spaces to support an ancient way of life......»»

Category: topSource:  physorgRelated News11 hr. 17 min. ago

Researchers investigate mercury concentrations in fish and wildlife on a global scale

A paper, titled "Global Mercury Concentrations in Biota: Their Use as a Basis for a Global Biomonitoring Framework" and published in the journal Ecotoxicology, describes for the first time currently available mercury data for fish and wildlife on a g.....»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Appropriate exercise is an important part of crew health during space missions

Future missions to the moon and Mars must address many challenges, including preventing loss of bone and muscle tissue in astronauts. Research on the International Space Station is helping to address this challenge......»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Xiaomi’s Redmi Pad Pro Launches for Global Markets

Xiaomi's budget-friendly tablet model takes on the likes of the Samsung Galaxy Tab A9+. The post Xiaomi’s Redmi Pad Pro Launches for Global Markets appeared first on Phandroid. While the Android tablet market is dominated mostly by S.....»»

Category: topSource:  pcmagRelated NewsMay 20th, 2024

Plastic-greenhouse agriculture: A novel soil profile design for global sustainability and enhanced crop production

A research team has developed a novel conceptual framework for designing plastic-greenhouse soil profiles that cater to the needs of smallholder farmers. The soil profile includes four functional layers: a soil mulch layer for preventing evaporation,.....»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Neuralink to implant 2nd human with brain chip as 85% of threads retract in 1st

Algorithm tweaks made up for the loss, and Neuralink thinks it has fix for next patient. Enlarge / A Neuralink implant. (credit: Neuralink) Only about 15 percent of the electrode-bearing threads implanted in the brain of.....»»

Category: topSource:  arstechnicaRelated NewsMay 20th, 2024

Ancient DNA from an extinct native duck reveals how far birds flew to make New Zealand home

Ask a bird lover if they have heard of the extinct giant moa or its ancient predator, Haast's eagle, and the answer will likely be yes. The same can't be said of New Zealand's extinct, but equally unique, mergansers—a group of fish-eating ducks wit.....»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Sea levels are starting to rise faster: Here"s how much South Florida is expecting

Sea levels are rising, swamping roads and homes in South Florida. And it's picked up the pace in recent years......»»

Category: topSource:  physorgRelated NewsMay 20th, 2024