What should families know about the safety and efficacy of the COVID-19 vaccine for kids? Experts Sallie Permar and Jay Varma answer questions in this video.
or the vertical axis, you see the number of cases per
GARIKIPATI: We’re filming at a thousand frames per
Antarctica’s winter runs from mid-February through late August. If you decide to stay, you’re there for the duration—all aircraft traffic is stopped. Learn how research crews prepare to go it alone.
David: We usually have a hundred or so small injuries per
The compass is great navigation tool—unless you’re in Antarctica, where the magnetic pull of the nearby South Pole is so strong you can’t get an accurate reading. Thank goodness GPS works everywhere!
That’s 186,000 miles per second!
GARIKIPATI: We’re filming at a thousand frames per
GARIKIPATI: We’re filming at a thousand frames per
This 7th grader in New York’s Catskill Mountains found a pattern in the arrangement of tree branches that affect the gathering of sunlight.
equator, the power of the Sun is about 1 kilowatt per
Antarctica’s winter runs from mid-February through late August. If you decide to stay, you’re there for the duration—all aircraft traffic is stopped. Learn how research crews prepare to go it alone.
David: We usually have a hundred or so small injuries per
Neil deGrasse Tyson leads a panel discussion on the future of water on Earth and what we can learn about this precious resource from the study of other planets and the wider universe.
$400 a gallon, and they’re using 22 gallons of fuel per
As the suburbs flourish, road mortality presents a major challenge to turtle populations throughout the US.
development, which consumes 2 million acres of wild land per
