As national attitudes and laws around cannabis use have evolved, so have the commercially grown strains of the plant. Some marijuana varieties today contain levels of THC, the drug’s psychoactive compound, as high as 50 percent, compared to around 5 percent a generation ago. But as PBS NewsHour science correspondent Miles O’Brien reports, the effects […]
The stunning truth about asbestos use in the U.S.
Asbestos is no longer ubiquitous in building materials, and since it’s proven to cause cancer, many Americans likely assumed the substance had been banned entirely. But not only is asbestos a naturally occurring mineral, it is also still used to make some household products. PBS NewsHour science correspondent Miles O’Brien reports on “broken” U.S. regulation […]
What’s on your citrus fruit? Trump’s EPA fights to keep controversial insecticide in use
Citrus growers hope to fend off fruit-munching katydids, but one weapon is under scrutiny. Researchers found that children growing up near fields where the insecticide chlorpyrifos was deployed exhibited autism-like symptoms. A court ordered the Environmental Protection Agency to ban the insecticide’s use, but Trump’s EPA is fighting back. PBS science correspondent Miles O’Brien reports. […]
The EPA isn’t taking its own advice on a pesticide that causes brain damage in children
Chlorpyrifos is one of the world’s most widely-used agricultural pesticides. Studies have linked exposure to the chemical to neurological issues in children, yet the EPA has–so far–decided not to ban the use of chlorpyrifos. Miles explores the issue for the PBS NewsHour. TRANSCRIPT Judy Woodruff: It’s not well known to the general public yet that […]
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