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Search results for “Northern Lights”

1,000+ results for "Northern Lights"

Volcano eruptions at different latitudes impact sea surface temperature differently

Researchers have found that volcanic eruptions cause different impacts on sea surface temperature (SST) gradients over the equatorial Pacific, depending on their latitude. Northern and tropical eruptions lead to El Nino-like warm SST anomalies in the eastern Pacific, while southern eruptions result in weaker warming anomalies with an e...

Ricocheting radio waves monitor the tiniest movements in a room

A new motion-sensing technology uses radio waves to detect a person's presence and location anywhere inside a room, even beyond the sensor's line of sight. The system works by analyzing patterns created by radio waves bouncing around the room, allowing it to distinguish between different scenarios and locate objects or people in space.

SourceDuke University·JournalScientific Reports·DateAug 6, 2018

Positive feedback between East Asian mid-latitude circulation and land surface temperature

A study found a positive feedback mechanism between the East Asian upper-tropospheric westerly jet (EAJ) and land surface temperature, particularly in the Russian Far East. The EAJ's deceleration leads to increased warming, which in turn strengthens the EAJ, creating a self-reinforcing cycle.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric and Oceanic Science Letters·DateMay 28, 2018

Imminent extinction of northern white rhinoceros motivates new genetic recovery efforts

Researchers have identified valuable pools of genetic material from cryopreserved cell lines, which may help guide a tailored recovery program for the northern white rhinoceros. The study's findings suggest that advanced sequencing technologies and novel reproductive strategies could improve recovery efforts for other endangered species.

SourceSan Diego Zoo Wildlife Alliance·JournalGenome Research·DateMay 24, 2018

First robotic system plays tic tac toe to improve task performance

Researchers developed a robotic system that plays Tic Tac Toe with rehabilitation patients to improve their real-life task performance. The study found that patients preferred interacting with the robot over computer-controlled LED lights, and the robot's movement influenced human movement, indicating its potential in rehabilitation.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalRestorative Neurology and Neuroscience·DateMay 4, 2018

Why we need erasable MRI scans

Researchers have developed next-generation contrast agents that can be turned off using ultrasound, allowing for clearer MRI scans. The new technology relies on nanoscale structures called gas vesicles, which bounce back sound waves and react differently to magnetic fields.

SourceCalifornia Institute of Technology·JournalNature Materials·DateApr 25, 2018

Ancient rice heralds a new future for rice production

Wild Australian rice's unique genetics hold the key to improving drought tolerance, pest resistance, and nutritional benefits in commercial rice production. The study reveals that northern Australia's wild rices contain valuable genetic diversity closely related to domesticated rice, which can be cross-bred for improved crop resilience.

SourceUniversity of Queensland·JournalNature Genetics·DateJan 22, 2018

City lights setting traps for migrating birds

Researchers found that city lights in metropolitan areas like Boston, New York, and Philadelphia attract large densities of migratory birds, even from far away. This can lead to increased mortality risks from collisions with buildings, vehicles, and predators like domestic cats, as well as resource depletion.

SourceUniversity of Delaware·JournalEcology Letters·DateJan 19, 2018

In the mood for love

A study by Instituto Gulbenkian de Ciencia found that worldwide peaks of sexual interest coincide with specific religious celebrations, leading to peaks in birth rates. Online searches related to sex display a cyclical nature that correlates with a specific "loving mood" independently detected on Twitter.

SourceInstituto Gulbenkian de Ciencia·JournalScientific Reports·DateDec 21, 2017

Species in the north are more vulnerable to climate change

New research challenges common perception that polar species are best at adapting to changing temperatures. Acclimation is most effective at temperate latitudes, with slow seasonal changes allowing for optimal adaptation. This could alter our understanding of which species are most vulnerable to climate change.

SourceLund University·JournalThe American Naturalist·DateNov 16, 2017