Biggest boom since the Big Bang? Astronomers record 25x supernova brightness

Astronomers from the University of Hawaiʻi’s Institute for Astronomy (IfA) have discovered the most energetic cosmic explosions yet discovered, naming the new class of events “extreme nuclear transients” (ENTs). These extraordinary phenomena occur when massive stars—at least three times heavier than our Sun—are torn apart after wandering too close to a supermassive black hole. Their…

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Have bans and fees curbed shoreline litter?

Tim Dodd Climate and science reporter EPA Banning or charging for plastic bags is helping stop them ending up on US shorelines, a study of the country’s litter suggests. Data from thousands of cleanups showed that areas which tried to reduce bag use saw them fall by at least 25% as a percentage of total…

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These beetles can see a color most insects can’t

Insect eyes are generally sensitive to ultraviolet, blue and green light. With the exception of some butterflies, they cannot see the color red. Nevertheless, bees and other insects are also attracted to red flowers such as poppies. In this case, however, they are not attracted by the red color, but because they recognize the UV…

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