‘Echo mapping’ in faraway galaxies could measure vast cosmic distances

A disk of hot material around a supermassive black hole emits a burst of visible light, which travels out to a ring of dust that subsequently emits infrared light. The blue arrows show the light ....

Continue reading

Ice discharge in the North Pacific set off series of climate events during last ice age

Living planktic foraminifera from the North Pacific. Credit: Jennifer Fehrenbacher, Oregon State University Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's ....

Continue reading

Zebrafish embryos help prove what happens to nanoparticles in the blood

Fluorescently labelled 70 nm SiO2 nanoparticles were injected into the bloodstream of 3 days old transgenic zebrafish embryos and live-imaged at 3 min after the injection. The insets show schematics for the two conditions tested: ....

Continue reading

Scientists reboot 50 years of plant advice to solve one of nature’s biggest challenges

Linum bienne is the closest relative to cultivated flax. Credit: University of Portsmouth Scientists from the University of Portsmouth and Royal Botanic Gardens, Kew, have come up with a formula to help plant breeders and ....

Continue reading

Someday, even wet forests could burn due to climate change

Credit: University of Colorado at Boulder Millions of years ago, fire swept across the planet, fueled by an oxygen-rich atmosphere in which even wet forests burned, according to new research by CU Boulder scientists. The ....

Continue reading