Earth has a new lightning capital, according to a recent study using observations from the Lightning Imaging Sensor onboard NASA's Tropical Rainfall Measurement Mission. Lake Maracaibo in Venezuela earned the top spot receiving an average rate of about 233 flashes...
Inflammatory mechanisms caused by the brain's immune system drive the progression of Alzheimer's disease, according to new research. Credit: © Dmitry / Fotolia According to a study by scientists of the German Center for Neurodegenerative Diseases (DZNE) and the University of...
After an infection with the Epstein-Barr virus (EBV), the virus persists in the body throughout a person's lifetime. Credit: © Henri-Jacques Delecluse/DKFZ After an infection with the Epstein-Barr virus (EBV), the virus persists in the body throughout a person's lifetime, usually...
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...
Most of the known volcanic hotspots are linked to plumes of hot rock (red) rising from two spots on the boundary between the metal core and rocky mantle 1,800 miles below Earth's surface. Credit: Image courtesy of University of California...
The naked HIV capsid, left, would be quickly detected and eliminated from the cell, but a host protein, cyclophilin A, in red in the image on the right, binds to the capsid and enables it to transit through the...
Tatyana Polenova and Juan Perilla, professors in the Department of Chemistry and Biochemistry at the University of Delaware, with a computer-generated model of HIV, the virus that causes AIDS. Credit: University of Delaware/ Evan Krape and Jeffrey Chase Viewed with a...
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Mars: Not as dry as it seems

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This is image shows modern Mars (left) dry and barren, compared with the same scene over 3.5 billion years ago covered in water (right). The rocks of the surface were slowly reacting with the water, sequestering it into the...
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...
Antarctica. Credit: Dave Pape, Public Domain It's official: East Antarctica is pushing West Antarctica around. Now that West Antarctica is losing weight--that is, billions of tons of ice per year--its softer mantle rock is being nudged westward by the harder mantle...
This is a black-tailed godwit (Limosa limosa). Habitats range from the Russian far-east to Europe, Africa, and Australasia. Credit: Szabolcs Nagy, Wetlands International A vast new study of changes in global wildlife over almost three decades has found that low levels...