Search results for "Hannah Bird"

Plants & Animals Nov 6, 2023

Arctic Ocean soundscapes reveal changes in mammal populations in response to climate change

While the sounds of our oceans may be familiar to us through the lens of nature documentaries, from the haunting calls of whales to the barks of some fish, this acoustic environment can provide a wealth of knowledge to scientists ...

Earth Sciences Oct 27, 2023

Volcanic eruptions found to dampen Indian Ocean El Niño events for up to 8 years

Volcanic eruptions occurring in tropical regions (23°N/S of the equator) have been linked to abrupt disruption of global-scale climate cycles in the Indian Ocean over the last 1 million years in new research published in ...

Earth Sciences Oct 24, 2023

Declining Bering Sea ice linked to increasing wildfire hazard in northeast China

China has been making strides in recent years to reduce air pollution, including fitting filters in coal-fired power stations to remove sulfur dioxide from emissions, a molecule that reacts with other compounds in the atmosphere ...

Earth Sciences Oct 12, 2023

Anthropogenic aerosols could delay enhanced monsoon precipitation by decades

Earth's atmosphere contains fine particles suspended in the air, known as aerosols, occurring from natural sources, such as dust from deserts, volcanic ash, smoke from forest fires, sea salt from ocean spray and organic compounds ...

Earth Sciences Oct 3, 2023

Atmospheric microplastic transport predominantly derived from oceans, study finds

Microplastics in our natural environments are of increasing concern as these tiny particles (

Earth Sciences Sep 27, 2023

Fossil results indicate polar bears survived last global warming deglaciation in Siberian and Canadian refugia

Polar bears are a familiar sight to many through the media as we see evocative images of singular bears floating on isolated ice rafts as they face the harsh realities of climate change shrinking sea ice in the Arctic. Their ...

Earth Sciences Sep 26, 2023

AI predicts sea surface temperature cooling during tropical cyclones

Tropical cyclones are extreme weather events, characterized by a circular form and formation over warm tropical oceans experiencing low atmospheric pressure, high winds and heavy rain. Tropical storms exceed 39 miles per ...

Planetary Sciences Sep 25, 2023

Sand dunes reveal atmospheric wind patterns on Mars

Mars is one of the most explored components of the solar system, yet there are always more discoveries to unveil on Earth's planetary neighbor. On Earth we are able to take direct measurements to understand our planet's meteorological ...

Earth Sciences Sep 24, 2023

Ediacaran fossils reveal origins of biomineralization that led to expansion of life on Earth

Life on Earth began from a single-celled microbe, while the rise to the multicellular world in which we live arose due a vital chemical process known as biomineralization, during which living organisms produce hardened mineralized ...

Evolution Sep 19, 2023

Grassland expansion was not a main driver of mammal evolution in Plio-Pleistocene Africa, research suggests

Mammal evolution in Africa, including that of modern human ancestors, through the late Cenozoic (Plio-Pleistocene, ~5.3 million years ago) may not have been driven by the expansion of grasslands as previously thought, new ...

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