Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Is twilight shorter at the equator?
The sun drops quickly down toward the horizon - and just as quickly sinks below the horizon - as seen from Earth's equatorial latitudes.
November 28, 2009
Why make art about science?
Is art - even art about science - still art for art's sake?
November 23, 2009
Robert Lawrence on antibiotic resistance and livestock
The drugs are used to fatten animals, and speed them to market. Robert Lawrence says that the inappropriate use of antibiotics could be harming humans.
November 23, 2009
Steven Holland on how bacteria make us sick
Steven Holland answers a question from a young listener in China, and talks about some of today's most vexing questions in infectious disease research.
November 23, 2009
Roxanne Decyk on solving climate change
Roxanne Decyk says businesses will need to work together with governments all over the world to successfully control global warming from burning fossil fuels.
November 23, 2009
Nancy Moreno on butterflies launched into space
Nancy Moreno explained that the butterflies in space experiment will help scientists - and students - understand how gravity influences growth.
November 23, 2009
Tom Tomich says global sustainability starts with food
Tom Tomich approaches sustainability by looking at how food is produced and calls agriculture a tangible lens for sustainability issues, since we all eat food.
November 23, 2009
Susan Levy on advances in autism research
Dr. Susan Levy said that because the characteristics of autism disorders range so widely, it has been difficult for scientists to pin down causes and develop treatments.
November 23, 2009
Why does an airplane make a sonic boom?
A sonic boom happens when an airplane flies faster than the speed of sound. Chuck Yeager was the first to break the sound barrier in the year 1947.
November 20, 2009
Were ancient buildings more energy efficient?
Our sleek, glass-box buildings of today tend not to take climate into consideration. Were ancient buildings more energy efficient?
November 20, 2009
