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11/25/2020

Bottlenose dolphins appear to consciously control their heart rates before they dive to keep from experiencing the bends as they descend deeper, according to findings published in Frontiers of Physiology. The dolphins accomplish the change by "controlling how much blood is sent to the lungs and where in the lungs it's sent to avoid nitrogen uptake," says study co-author Andreas Fahlman.

11/25/2020

High-school students in Mississippi are preparing for careers through the Shipbuilder Career Tech Program. Students participating in the program already have been offered jobs at an area shipyard after their graduate in May.

11/25/2020

Scientists are lending their expertise to teachers by conducting online lessons for students in a Los Angeles district. Born out of a summer effort, the "Season of STEM" program works with 26 organizations to provide a weekly hands-on lesson using common household items to about 8,000 fifth-graders, such as one involving beads.

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EdSource
11/25/2020

A layer of calcite covers the bodies of leaf-cutting worker ants, allowing them to take on much bigger enemy ants, according to findings published by Nature Communications. Researchers tested ants with and without the thin calcite layer and found that the mineral makes the ants' exoskeletons at least twice as hard as those without the coating.

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Science News
11/25/2020

Flavanol-fortified cocoa drinks may help the brain tackle cognitive challenges more quickly and accurately, a study in Scientific Reports suggests. Researchers also noted that participants who drank cocoa also had higher levels of blood oxygenation when subjected to elevated carbon dioxide levels.

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Earth
11/25/2020

A faint brown dwarf has been found using a radio telescope, in a process described in The Astrophysical Journal Letters. This is the first time such a discovery has been made using Low-Frequency Array radio telescope observations.

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LiveScience
11/25/2020

High-school culinary students in a Florida district recently competed against 130 schools as part of a NASA culinary challenge. The "space" meals must meet certain nutrition requirements to feed astronauts on the International Space Station.

11/25/2020

Students in a Texas district are learning that agriculture science education is more diverse than "plows, cows and sows," says Danielle Taylor, an ag science teacher and FFA advisor. Students this year have the opportunity to learn about livestock production and veterinary medicine in ag science classes, with the most popular being floral design and ag mechanics.

11/25/2020

A social media hashtag this summer helped Jasmin Graham, a marine biologist who specializes in sharks, rays and skates, connect with three other Black women who work in her field. The women have created Minorities in Shark Sciences (MISS), which Graham says seeks to encourage underrepresented students to follow in their footsteps and provide a network of support that has grown to 180 members in 31 countries.

11/24/2020

High-school culinary students in Texas are preparing and distributing Thanksgiving meals those who otherwise would be spending the holiday alone and in isolation. Meals served through the "We Want To Be Your Family" initiative include turkey, green beans, mashed potatoes, bread, pumpkin pie and a drink.