Video: Why isn't weed killer working anymore?
Farmers used to worry about weeds. Then, herbicides solved that problem. At least for a while. In 1997, there were 432 new patents for herbicides; by 2009, there were only 65.
Farmers used to worry about weeds. Then, herbicides solved that problem. At least for a while. In 1997, there were 432 new patents for herbicides; by 2009, there were only 65.
Other
Sep 19, 2022
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8
If we look at how the bark of the cinchona tree is used to treat malaria, we can see the cutting-edge chemistry of quinine binding an enzyme essential for the malaria parasite's survival.
Materials Science
Aug 15, 2022
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13
Millions of liters of blood are donated around the world every year, but there's still not enough for everyone who needs it.
Other
Jul 5, 2022
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54
Are you a grade B maple syrup fan? For a lot of maple syrup connoisseurs, grade B was always the go-to syrup. It's dark, caramelly, rich, complex. But unfortunately, you can't get it anymore.
Other
May 9, 2022
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20
In areas where water is scarce, reusing wastewater is one way to increase the supply. But to do that safely, water has to undergo lots of cleaning procedures, including some new innovations using edible materials like okra!
Other
Apr 25, 2022
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38
You might think hibernation is just a nap that bears take during the wintertime, but it's really much more complicated and climate based.
Other
Jan 31, 2022
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34
When it comes to electrons—one of the fundamental building blocks of all matter—there are lots of unanswered questions. How big are they? What are they made out of? What … are they?
Materials Science
Jan 18, 2022
1
90
Pop Rocks is a popular brand of popping candy manufactured and sold by Zeta Espacial S.A. The candies are just sugar and carbon dioxide, but making your own version of them at home is harder than it looks.
Other
Jan 3, 2022
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12
The COVID-19 global pandemic—unexpectedly—has shown humanity a new way to reduce climate change: Scrap in-person meetings and conventions.
Environment
Dec 16, 2021
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426
Hydrogen fuel cell cars seem like a great, low-emission driving solution: oxygen and hydrogen in, nothing but water vapor out.
Materials Science
Dec 13, 2021
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13