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Scientists discover how plant cell walls guide stem cells

Imagine if our bodies could grow new organs throughout our entire lives. Plants do this constantly, thanks to tiny, powerful reservoirs of stem cells. But how do these cells know when to divide, and how do they ensure each division is perfectly oriented to build a leaf, a stem,

Category '6' tropical cyclone hot spots are growing

The oceanic conditions that churn up the very strongest of hurricanes and typhoons are heating up in the North Atlantic and Western Pacific, fueled by warm water that extends well below the surface. Human-caused climate change may be responsible for up to 70% of the growth of

Image: Hatch thermal cover protects space station vestibule

Clockwise from left, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and NASA astronauts Jonny Kim, Zena Cardman, and Mike Fincke pose for a playful portrait through a circular opening in a hatch thermal cover aboard the International Space Station on Sept. 18,

NASA JPL tests future lunar craft with shake-up

The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar odyssey are helping to ready a towering commercial spacecraft for a journey to the moon. Launches involve brutal shaking and astonishingly loud noises, and

Study links seabird nesting to shark turf wars in Hawai'i

A new study led by scientists from the University of Hawaiʻi (UH) Mānoa Hawaiʻi Institute of Marine Biology (HIMB) Shark Lab reveals a critical link between seasonal seabird nesting and the movements of top marine predators in the remote Northwestern Hawaiian Islands.