In what way has technology used aboard the International Space Station benefitted humans back on Earth? Robotic arms used aboard the ISS are now used in delicate surgeries on Earth. Air purifiers developed for the ISS now provide cleaner air for humans on Earth. Software created for the ISS was adapted and is now used to conduct brain surgery on Earth. Research conducted on the ISS crew about heart disease is now used

The shift of a vehicle's weight around its center of gravity is known as

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?