These are cardiomyocytes, green, proliferating in a mouse heart after gel injection.
Credit: University of Pennsylvania
In mammals, including humans, the cells that contract the heart muscle and enable it to beat do not regenerate after injury. After a heart attack,...
AWARE instruments at the WAIS Divide field camp in central West Antarctica in December 2015 under a spectacular optical display ("sun dog") due to atmospheric ice crystals.
Credit: Colin Jenkinson, Australian Bureau of Meteorology
An area of West Antarctica more than...
The tubeworm species Escarpia laminata.
Credit: Image courtesy of the Chemo III project, BOEM and NOAA OER
Large tubeworms living in the cold depths of the Gulf of Mexico may be among the longest living animals in the world. This is...
Cave city in volcanic rocks of uplifted Central Anatolian plateau.
Credit: Russell Pysklywec
When renowned University of Toronto (U of T) geophysicist J. Tuzo Wilson cemented concepts in the emerging field of plate tectonics in the 1960s, he revolutionized the study...
Spacecraft Cassini with an instrument from the Swedish Institute of Space Physics on board (in red circle) passed through Saturn’s atmosphere.
Credit: Artist’s impression: NASA
A Langmuir probe, developed in Sweden and flown to Saturn on the Cassini spacecraft, has made...
One of the cichlid fish from Guatemala, Thorichthys meeki, collected by LSU Curator of Ichthyology Prosanta Chakrabarty for the study that refuted the date in which the Isthmus of Panama was formed.
Credit: Courtesy of Prosanta Chakrabarty, LSU
A long-standing fact...
Enjoying nature. Credit: The University of Queensland
People who visit parks for 30 minutes or more each week are much less likely to have high blood pressure or poor mental health than those who don't, according to new research by...
This is a macroalgae dominated reef in the Seychelles.
Credit: Nicholas Graham
Researchers examining the impact of climate change on coral reefs have found a way to predict which reefs are likely to recover following bleaching episodes and which won't.
Coral...
Our brain is especially good at perceiving lines and contours even if they do not actually exist, such as the blue triangle in the foreground of this optical illusion. The pattern of neuronal connections in the brain supports this...
The genetic material of the HIV virus is encased in multiple structures that hide it from the host immune system. The capsid, in blue, protects the virus after it enters a cell and shuttles it to the nucleus, where...
Cyclone Chapala over the Gulf of Aden Nov. 2, 2015.
Credit: NASA image by Jeff Schmaltz, LANCE/EOSDIS Rapid Response
Researchers from Princeton University and the National Oceanic and Atmospheric Administration (NOAA) report in the journal Nature Climate Change that extreme cyclones...
