Hole #2 looks bigger.
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Ground-nesting Yellowjacket Wasps

While my 16yo son was mowing the lawn with our push-reel mower, our neighbor on one side slowed down his rider-mower to a crawl, grinned at my son, and said, “That’s some ancient technology you have there, boy.” I bought the reel mower thinking it would provide me with some exercise, and it’s quiet enough that I can listen to an audiobook while doing the lawn. As it turns out,…

Water discovered deep beneath Earth’s surface

The water in the mantle rock, which could equal the amount of water in the world’s oceans, may be an integral part of sustaining water on the surface, Smyth said. It also implies that the Earth’s oceans likely formed from water stored deep beneath the Earth, rather than from a comet or asteroid, as other scientists have theorized, Smyth said. “Geophysicists have debated where…Earth’s water came from,” Jacobsen said. “From…

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Alice in Quantumland: A Charming Illustrated Allegory of Quantum Mechanics by a CERN Physicist

Alice in Quantumland: An Allegory of Quantum Physics is absolutely fantastic in its entirety, certain to engage the simultaneous states of entertainment and education with unequaled grace. Complement it with scientists’ answers to little kids’ questions about how the world works, then bend your mind by considering what it’s like to live in a universe of ten dimensions. For a look at how physicists’ understanding of the field has evolved…

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No Black Holes Exist, Says Stephen Hawking—At Least Not Like We Think

Black holes do not exist—at least, not as we know them, says renowned physicist Stephen Hawking, potentially provoking a rethink of one of space’s most mysterious objects. A new study from Hawking also says that black holes may not possess “firewalls,” destructive belts of radiation that some researchers have proposed would incinerate anything that passes through them but others scientists deem an impossibility. The conventional view of black holes posits…

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Supergiant and Hypergiant Stars Compared to our Solar System

To begin with, the terms “hypergiant” and “supergiant” are both a bit general. For the most part, these terms are loosely used to refer to the largest and most luminous (brightest and thus most energetic) stars in the universe. The exact term that one should use depends on the specific star that one is discussing (its size and luminosity). There are yellow hypergiants, red supergiants, blue supergiants etc.). You don’t…

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Son Doong Cave in Viet Nam Featurers Skylight, Jungle

As a fan of Colossal Cave Adventure, I’m curious to know whether there’s an active volcano in this cave. Or at least a gold nugget room. Jonathan Sims catches up with me. Between us and the sunlit passage ahead stands a stalagmite that in profile resembles the paw of a dog. “The Hand of God would be just too corny,” he says, pointing at the formation. “But the Hand of…