The study shows how and when the first groups of land explorers became better walkers than swimmers. The analysis spans the fin-to-limb transition and reconstructs the evolution of terrestrial movement in early tetrapods.
An international team of scientists, spanning 45 institutions in 17 countries, has called for a dedicated decade-long programme of research to greatly advance discovery in the deep ocean.
Pointing toward a much-needed future reservoir of freshwater for the island of Hawai'i in the face of climate-driven drought, electromagnetic images of the island have revealed multilayered basalt, ash and soil formations that serve as a previously unknown conduit to move freshwater offshore to the submarine flank of the island.
On a near daily basis, the internet spews out numerous tips and tricks for exercise motivation. Now we can add smell to the long and growing list. A research team led by a scientist at the University of California, Riverside, has found olfaction--or smell--may play an important role in motivating mammals to engage in voluntary exercise. Performed in lab mice, the study may open up new areas of research and have relevance for humans.
Over the past 40,000 years, ice sheets thousands of kilometres apart have influenced one another through sea level changes, according to research published today in Nature. New modelling of ice sheet changes during the most recent glacial cycle by a McGill-led team demonstrates, for the first time, that during this period, changes in the Antarctic ice sheet were driven by the melting ice sheets in the Northern Hemisphere.
The water-to-land transition is one of the most important major transitions in vertebrate evolution. However, there is still uncertainty about when the water-land transition took place and how terrestrial early tetrapods really were. A new paper in Nature addresses these questions and shows although these early tetrapods were still tied to water and had aquatic features, they also had adaptations that indicate some ability to move on land.
Twice as much freshwater is stored offshore of Hawai'i Island than previously thought, revealed a University of Hawai'i study with important implications for volcanic islands around the world. An extensive reservoir of freshwater within the submarine southern flank of the Hualālai aquifer was mapped by researchers with Hawai'i EPSCoR 'Ike Wai project, showing a way in which substantial volumes of freshwater are transported from onshore to offshore submarine aquifers along the coast of Hawai'i Island.
A new study grounded in the northern Rockies explores the role of wildfire in the finely tuned dance between plants and their pollinators. Previous studies have looked at how fire affects plants, or how fire affects animals. But what is largely understudied is the question of how fire affects both, and about how linkages within those ecological networks might respond to fire disturbance. The findings are particularly significant in light of recent reports about the rapid and widespread decline of insects globally.
A new bird fossil helps scientists better understand convergent evolution of complex anatomy and provides new insights into the evolution of face and beak shape in a forerunner of modern birds.
High-speed manufacturing could advance the commercialization of perovskite modules, a green alternative to conventional solar panels made of silicon.