Blood transfusions are crucial in human and veterinary medicine, yet human blood reserves are in constant need of donors, while blood bank systems in veterinary care are nearly nonexistent. This leaves canine transfusions largely reliant on donations from healthy dogs, but securing compatible bl...
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The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path even though they have never made the long journey themselves. As 60 Minutes found, the expedition to watch the migration can be its own challenge.
Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.
Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.
Scientists have developed a new way to predict the strength of the sun's next activity cycle up to seven years before it reaches its peak.