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During the Ice Age, Long-Legged Hyenas Prowled the Arctic
During the Ice Age, Long-Legged Hyenas Prowled the Arctic
Credit: Instituto de Astrofísica de Canarias
Credit: Instituto de Astrofísica de Canarias

This Day in History: June 18

Fox News
A fluorescence microscopy image showing lit-up modern microbes that took up residence in a Centrosaurus fossil. Credit: Evan Saitta, Field Museum
A fluorescence microscopy image showing lit-up modern microbes that took up residence in a Centrosaurus fossil. Credit: Evan Saitta, Field Museum
The plant now know as Solanum plastisexum has puzzled scientists for decades.
The plant now know as Solanum plastisexum has puzzled scientists for decades.
Concentrating the sunlight on tiny spots on the heat-generating membrane exploits an inherent and previously unrecognized nonlinear relationship between photothermal heating and vapor pressure. Credit: Pratiksha Dongare/Rice University
Concentrating the sunlight on tiny spots on the heat-generating membrane exploits an inherent and previously unrecognized nonlinear relationship between photothermal heating and vapor pressure. Credit: Pratiksha Dongare/Rice University
Astronomers searching for alien life release biggest set of data in history | The IndependentHomeHomeShapeleftrightShapeSocial/FacebookSocial/Twitter
Astronomers searching for alien life release biggest set of data in history | The IndependentHomeHomeShapeleftrightShapeSocial/FacebookSocial/Twitter
Image: Çatalhöyük Research Project/Jason Quinlan.
Image: Çatalhöyük Research Project/Jason Quinlan.
Illustration: National Astronomical Observatory of Japan.
Illustration: National Astronomical Observatory of Japan.
Spectacular high Sun view of the Mare Tranquillitatis pit crater revealing boulders on an otherwise smooth floor. Image is 400 meters wide, north is up, NAC M126710873R.
Spectacular high Sun view of the Mare Tranquillitatis pit crater revealing boulders on an otherwise smooth floor. Image is 400 meters wide, north is up, NAC M126710873R.
Polar bears survive in the Arctic on a diet of primarily seal. Credit: US Fish and Wildlife Service
Polar bears survive in the Arctic on a diet of primarily seal. Credit: US Fish and Wildlife Service
Rare earthquake occurrences have recently been documented at the boundary between the Pacific tectonic plate and the Philippine Sea plate Credit: Lloyd White, University of Wollongong
Rare earthquake occurrences have recently been documented at the boundary between the Pacific tectonic plate and the Philippine Sea plate Credit: Lloyd White, University of Wollongong
Series of images from the team's lab experiments shows the process of 'pinch-off' where the air bubble (black) starts to separate off, as it penetrates into a liquid environment (white) inside a narrow tube. Credit: Amir Pahlavan Ph.D., Professor Gareth McKinley, Professor Ruben Juanes
Series of images from the team's lab experiments shows the process of 'pinch-off' where the air bubble (black) starts to separate off, as it penetrates into a liquid environment (white) inside a narrow tube. Credit: Amir Pahlavan Ph.D., Professor Gareth McKinley, Professor Ruben Juanes
Device structure and basic characterization. a, An AFM image of device A. Height scale bar, ±40 nm. Following the black solid line, we measured a height of 5.2 nm and a width of 0.6 µm for this device. b, V dependence of the I measured at fixed V values. c, Output characteristics of the device as a function of V at a fixed V of 0 V. All the charge-transport measurements were performed at 1.5 K. Credit: DOI: 10.1038/s41565-019-0467-1
Device structure and basic characterization. a, An AFM image of device A. Height scale bar, ±40 nm. Following the black solid line, we measured a height of 5.2 nm and a width of 0.6 µm for this device. b, V dependence of the I measured at fixed V values. c, Output characteristics of the device as a function of V at a fixed V of 0 V. All the charge-transport measurements were performed at 1.5 K. Credit: DOI: 10.1038/s41565-019-0467-1
Fast-growing plants in the crop-speed breeding facility at The University of Queensland. The plants featured are barley plants.
Fast-growing plants in the crop-speed breeding facility at The University of Queensland. The plants featured are barley plants.
Artist impression of a wave particle.
Artist impression of a wave particle.
Mice studied by neuroscientists at Harvard’s Rowland Institute are trained to perform tasks including playing video games and moving joysticks. Photographer: Cassandra Klos for Bloomberg Businessweek
Mice studied by neuroscientists at Harvard’s Rowland Institute are trained to perform tasks including playing video games and moving joysticks. Photographer: Cassandra Klos for Bloomberg Businessweek
Electrified water droplets take on a variety of distorted shapes just before bursting, based on the strength of the electric field. The profiles of different distorted droplet shapes are shown, overlaid on an image of one particular distorted droplet for comparison. Credit: Massachusetts Institute of Technology
Electrified water droplets take on a variety of distorted shapes just before bursting, based on the strength of the electric field. The profiles of different distorted droplet shapes are shown, overlaid on an image of one particular distorted droplet for comparison. Credit: Massachusetts Institute of Technology