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Can blood from coronavirus survivors treat the newly ill?

Hospitals are gearing up to test if a century-old treatment used to fight off flu and measles outbreaks in the days before vaccines, and tried more recently against SARS and Ebola, just might work for COVID-19, too: using blood donated from patients who’ve recovered.

Best strategies against virus: Track, isolate, communicate

Some strategies are proving more effective than others in containing the COVID-19 pandemic: pro-active efforts to track down and isolate the infected, access to basic, affordable public health care, and clear, reassuring messaging from leaders. 

Mystery of the Buffalo Boom

In this video, ecologist Tony Sinclair takes us through the steps of how he uncovered that the eradication of an infectious disease in cattle led to a boom in the Serengeti’s buffalo and wildebeest numbers.

The Science of an Extreme Animal Athlete

This video follows biologist Shane Campbell-Staton, who is studying the adaptations that allow deer mice living at high elevations to stay warm and active during the winter.

Virus renews safety concerns about slaughtering wild animals

China cracked down on the sale of exotic species after an outbreak of a new virus in 2002 was linked to markets selling live animals. Now another coronavirus is spreading through China, prompting calls to permanently ban the sale of wildlife.

Nutrient Cycling in the Serengeti

In this activity, students engage with an example from the Serengeti ecosystem to illustrate the exchange of nutrients between plants, animals, and the environment. 

Red Tattoo

This activity explores an image of tattoo ink particles inside cells, which serves as a phenomenon for learning about the structure and color of human skin.

Scientists rethink Alzheimer’s, diversifying the drug search

When researchers at the University of Kentucky compare brains donated from people who died with dementia, very rarely do they find one that bears only Alzheimer’s trademark plaques and tangles — no other damage. That hard-won lesson helps explain how scientists are rethinking Alzheimer’s.