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Today's math curriculum is teaching students to expect -- and excel at -- paint-by-numbers classwork, robbing kids of a skill more important than solving problems: formulating them. At TEDxNYED, Dan Meyer shows classroom-tested math exercises that prompt students to stop and think.
Despite her best efforts, comedian Julia Sweeney is forced to tell a little white lie when her 8-year-old begins learning about frog reproduction -- and starts to ask some very smart questions. Use the phrase "how it evolved" as often as possible.
William Li presents a new way to think about treating cancer and other diseases: anti-angiogenesis, preventing the growth of blood vessels that feed a tumor. The crucial first (and best) step: Eating cancer-fighting foods that cut off the supply lines and beat cancer at its own game. Woo? Or the real thing?
We all know the arguments that being vegetarian is better for the environment and for the animals -- but in a carnivorous culture, it can be hard to make the change. Graham Hill has a powerful, pragmatic suggestion: Be a weekday veg. His comments about emissions are spurious and misleading. But some of his points are valid. What do you think?
Fearless Leader of NCSE, Eugenie Scott, gave the University of Missouri Commencement Speech on Saturday. I'm sure they gave her an honorary degree for the speech, and I believe this makes Genie a PhD eight times over, earning her the name "Octodoc." (And to think, I knew her when she had only one or two. Unidoc. Or Bidoc maybe.) "Show me" you say? OK, no problem: Graduates, parents, distinguished faculty and guests ... but especially graduates. Because a graduation should be all about you. The traditional ritual of a commencement speech is to give graduates advice: how to live your lives…
Effect Measure, clearly one of the best blogs on Scienceblogs.com or anywhere, is closing shop. Go say goodbye.
This may not seem like a very important question to you. And you'd be right. This question came up, and I assumed yes. Cells do, generally. Cells absorb O2 and produce C02 ... even plant cells do this ... through passive systems. But I wondered if the fact that the epidermis is adapted to be a barrier might mean that it would not. But then I realized that the epidermis absorbs water. O2 and H2O both diffuse freely across cell membranes. So of course some of the cellular respiration in mammals is surface diffusion. It must be. (Warning: I don't know this to be a fact. If you do, state…
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Submit your entries to Berry Go Round, the Plant Carnival here. Submit your entries to Diversity in Science here. The topic will be "Shattering Stereotypes in STEM." Go and visit I and the Bird number 125, here! Go and visit Scientia Pro Publica 29 here.
If you want to read Apple and Adobe's opinions directly: Steve Jobs posted his thoughts on Flash, and Adobe shared their thoughts as well. I find it very interesting to note what both sides claim is the core issue: Openness. JH at LIE addresses the question.
Occasionally you hear about hippies. But people who call themselves hippies today, or that others call hippies, are not like the original hippies at all. Generally, modern hippies are more brown (and I'm talking clothing choice) and less stoned than the original hippies. The original hippies were making many different political statements, social statements, and fashion statements. Of those various statements, many have been incorporated into modern mainstream thinking. Other ideas were taken out into the yard, shot mercilessly in the head, and buried in a deep, unmarked hole dug in the…
Matini chewed hungrily on the cooked forearm of the monkey as I watched, thinking, "WTF, is he really not going to share?" The others watched him with looks of incredulity that told me they were thinking the same thing. Finally, Latala said to Matini, thumb pointing sideways to me, "You know, he knows the rules." "Huh?" Matini replied, looking up vaguely with his eyes while chewing the arm. "You killed that monkey with an arrow he had given you. Therefore, that arm is his, according to our traditional way of dividing up the portions of animals we have hunted. But you are not sharing."…
Because 480 is a big number! Feel free to go HERE and comment on this video.
... in inverse relation to how much they got read. In other words, for some reason, you missed these and you shouldn't have. Now is your chance to catch up. There's only two. The first one is serious and meaning drenched: Our Conversations Are Like a Cold Fruit Salad on a Dusty, Hot, Summer Day ... It is about the value of not being a complete asshole all the time just because you seem to be getting away with it. The second one is as far from serious as I get, and the closest you'll ever see me approach scatological humor: When Your Field School Goes Into the Toilet. Technically,…
"Praise should be unstinting and unironic, however much snark has hold in your heart...." Read all about it.
Nathan Myhrvold and team's latest inventions -- as brilliant as they are bold -- remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new, mosquito-zapping gizmo you have to see to believe.