deepai Gravity feels reliable — stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over the Earth’s surface. And it is weakest…
Clean house
[caption id="attachment_10160" align="alignnone" width="700"] CNES–Emmanuel Grimault, 2016[/caption] Everybody knows a clean house is a healthy place to live, but what if you live on the International Space Station? Air and water are constantly recycled and…
Traffic noise reduces wild owls’ foraging efficiency
A team of researchers has found that traffic noise reduces the foraging efficiency of wild owls by up to 89 percent. The team’s world-first study examined how different levels of such noise affect the hunting…
Life in ancient oceans enabled by erosion from…
[caption id="attachment_10152" align="alignnone" width="605"] Aaron Satkoski, a scientist in the Department of Geoscience at UW–Madison, with the mass spectrometer used to measure isotopes in rocks from South Africa. DAVID TENENBAUM[/caption] As scientists continue finding evidence…
Sharpshooting nanoparticles hit the target
Multi stimuli-responsive nanocapsules selectively deliver drugs to exactly where they are needed. [caption id="attachment_10149" align="alignright" width="300"] Magnetic, pH-responsive nanoparticles deliver the antitumor drug doxorubicin (fluorescing red in this image) to cancer cellsReprinted with permission from…