العلوم والبيئة

Online educational resources present imperialism in a positive light, involve students in inappropriate discussions

المصدر: Phys.org - latest science and technology news stories · نُشر

Online educational resources present imperialism in a positive light, involve students in inappropriate discussions
المصدر: Phys.org - latest science and technology news stories

Teachers are increasingly turning from print textbooks to online materials to teach their courses. But when tasked with finding information online, they can encounter questionable or unreliable material.

Teachers are increasingly turning from print textbooks to online materials to teach their courses. But when tasked with finding information online, they can encounter questionable or unreliable material.

اقرأ المصدر الأصلي
The Andes were supposed to stop this cacao killer. They didn't.
العلوم والبيئة

The Andes were supposed to stop this cacao killer. They didn't.

Black pod disease destroys up to a quarter of the world's cacao every year, roughly 700,000 metric tons worth more than $2 billion. The water mold responsible across the Americas is Phytophthora palmivora, and in Colombia it is the dominant Phytophthora on cacao. How it travels a

Phys.org - latest science and technology news stories ·

Without water, forests lose their ability to absorb CO₂
العلوم والبيئة

Without water, forests lose their ability to absorb CO₂

To survive periods of drought, trees halt photosynthesis, a highly water-intensive process. For every molecule of CO₂ absorbed by a tree leaf, an average of around 400 water molecules are released. Entire forests may then end up emitting more CO₂ than they capture.

Phys.org - latest science and technology news stories ·