water-filled tree holes; DNA barcoding; moth flies; new taxa; integrative taxonomy 1. Introduction Phytotelmata (singular phytotelma) derives from the Greek words “phyto”, which means plant, and “telma”, meaning pond, and was first proposed by Varga [1], based on his observations, to ...
the image of the black holes at the heart of M87 and the Milky Way demonstrates that while event horizons protect many secrets that lurk behind them, shielding the central singularity at the heart of these spacetime events from scrutiny, they also help reveal a wealth of information about their...
Since it's impossible to take a picture of the black hole itself (because no light can escape), what the astronomers instead saw was its "shadow," the hole in the glowing material surrounding it. What if you fell into a black hole? It's a good thing that the nearest black holes are...
What is the book Holes about? Holes: After working as an elementary school aide in the 1970s, Louis Sachar was inspired to begin writing his Wayside School series of books. In this book series, Sachar established a distinctive, zany voice that became extremely popular. He brought this voice...
初来乍到第1季第2集台词 英文中文As a kid, there are things that terrify you.作为小孩总有些东西令你十分害怕Parents, th...
Stellar black holes are the remains of dying stars that have collapsed upon themselves. They're smaller than their supermassive cousins -- the smallest is about 12 miles (19 kilometers) across -- and may be quite common in any galaxy [source: Wethington]. The closest stellar black hole to...
Did smoke pour out of the top vent after about 1 hour in a nice white plume? If not, maybe either the bottom or top holes are blocked, or the thermostat is way off - but it was mentioned that that was checked during seasoning and was a bit high rather than low. Using shredded ...
11. that'll be fine, because I was a horrible friend, and I hurt you. 没关系,因为我是个糟糕的朋友,我伤害了你。 12. It's not about how badly you want something. It's about what you are capable of! 光有志向是不够的,重要的是你的能力. ...
The term “hacking” as it relates to technology first emerged in the 1950s at MIT, where it was used by members of the Tech Model Railroad Club to refer to the process of creatively solving a technical problem in an innovative way. In the 1960s, these students migrated from trains to ...
Learn more about the uses of blind holes in machining.A blind hole refers to a hole that does not pass completely through a part, i.e., it is only drilled, reamed, or milled to a depth that is a fraction of the total part thickness. The depth of a blind hole is usually determined...