UCSD report: "At our campus, the picture is truly troubling. Between 2020 and 2025, the number of freshmen whose math placement exam results indicate they do not meet middle school[!] standards grew nearly thirtyfold, despite almost all of these students , page 124

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UCSD report: "At our campus, the picture is truly troubling. Between 2020 and 2025, the number of freshmen whose math placement exam results indicate they do not meet middle school[!] standards grew nearly thirtyfold, despite almost all of these students
btc
( marginalrevolution.com )

1个月前由 Patrick Collison 提交

https://t.co/21dTYRNX5E

UCSD report: "At our campus, the picture is truly troubling. Between 2020 and 2025, the number of freshmen whose math placement exam results indicate they do not meet middle school[!] standards grew nearly thirtyfold, despite almost all of these students having taken beyond the minimum UCOP required math curriculum, and many with high grades."

1周内 1个月内 1年内全部时间

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After a year of scientific scrutiny, a rock sample collected by the Perseverance rover has been confirmed to contain a potential biosignature. The sample is the best candidate so far to provide evidence of ancient microbial life on Mars.
时政
( go.nasa.gov)

3个月前 • NASA Mars • -- 点击 0 评论

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A line from the movie "The Good, The Bad and The Ugly"
In order not to starve, we would either become thieves or clerics.
I became a thief,
you became a clergyman,
and there is no difference between us!
有趣
( twitter.com)

1年前 • Figen • -- 点击 0 评论

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The fake African Muslim asylum seeker defaced a church in Italy with Arabic writings. Then he defaced cars and houses shouting Allah Akbar and threatened Italian families with a knife. He ended up robbing a supermarket. Doctor or engineer?
时政
( twitter.com)

11个月前 • RadioGenoa • -- 点击 • 下载视频 0 评论

00:00:46

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One of the Rotherham grooming gangs raped a young girl with a broken bottle.
She was so injured that she now can't have children.
This is the kind of things that authorities covered up.
This was a RAPE genocide.
btc
( twitter.com)

2个月前 • The British Patriot • -- 点击 0 评论

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🇩🇰 Scenes from a Danish kindergarten:
In Denmark, kids are encouraged to get muddy on a regular basis. Getting dirty isn't just fun, it's beneficial. Mud play boosts creativity, strengthens sensory development, and even supports a healthier immune system.
时政
( twitter.com)

1个月前 • World of StatHistics • -- 点击 • 下载视频 0 评论

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There's a fountain in Budapest that looks like a book: every few seconds a sheet of water blasts forth from the book's spine, creating the illusion that an invisible force is turning the pages of this marble tome

[video: ]

有趣
( buff.ly)

2年前 • Massimo • -- 点击 • 下载视频 0 评论

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This video by shows a trail of termites (up) and a trail of ants (down) in what looks a stand-off between the two species, without fighting. The ants protect their valuable food bound to the nest

[read more: ]

有趣
( buff.ly)

2年前 • Massimo • -- 点击 • 下载视频 0 评论

00:00:28

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The kashaka (aka Asalato) is a simple percussion instrument consisting of two small gourds filled with beans (essentially, two small maracas connected by a string). This is a cover of of Berimbau by Baden Powell by Mari Merenda

[📹]

有趣
( buff.ly)

2年前 • Massimo • -- 点击 • 下载视频 0 评论

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The Klein Bottle (in this version by Cliff Stoll) is a 3D representation of a four dimensional mathematical object with one side, no edges, and zero volume. Kind of like a Möbius strip with no edges

[source, read more: ]

有趣
( buff.ly)

2年前 • Massimo • -- 点击 • 下载视频 0 评论

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It's not neither easy nor frequent to spot a humpback whale with a newborn calf. This extraordinary observation was made with a drone by the University of Hawaiʻi at Mānoa’s Marine Mammal Research Program

[full story and full video: ]
有趣
( buff.ly)

2年前 • Massimo • -- 点击 • 下载视频 0 评论

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The long-tailed tit is a tiny round-bodied bird with a short, stubby bill and a very long tail.

In Japan, it is known as Shima Enaga, which means “crying rabbit”, due to its distinctive call

[read more: ]
有趣
( buff.ly)

2年前 • Massimo • -- 点击 0 评论

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What's the difference between an alligator (left) and a crocodile (right)?

The most visible one is alligators have a U-spaced rounded snout that is wide and short, whereas crocodiles have a longer pointed, V-shaped snout

[read more: ]
有趣
( buff.ly)

2年前 • Massimo • -- 点击 0 评论

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A new study finds that elite colleges discriminate against Asian-Americans, particularly people of South Asian origin. Such a student is 49% less likely to be accepted than a white student with similar credentials, partly because of legacy preferences.
时政
( journalistsresource.org)

2年前 • Nicholas Kristof • -- 点击 0 评论

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In Tanzania, Beijing is running a training school for authoritarianism "There's been a reluctance from a lot of scholars to say that China is clearly trying to export authoritarianism," said Daniel Mattingly, an assistant professor of political science at…
时政
( www.axios.com)

2年前 • Bill Bishop • -- 点击 0 评论

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10 PRINT CHR$(205.5+RND(1)); : GOTO 10
is a book about a one-line Commodore 64 BASIC program published in November 2012. It is also available as a PDF here, where you can also read more about it:
有趣
( 10print.org)

2年前 • Massimo • -- 点击 • 下载视频 0 评论

00:00:55

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Archimedes, mathematicians, and 7th grade geometry teachers have known the truth about pizza sizes for centuries:

a large pizza is almost always a better deal than two mediums and a 18" pizza has more pizza than two 12" pizzas
有趣
( twitter.com)

2年前 • Massimo • -- 点击 0 评论

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BREAKING: Three Black people were killed in a racially motivated shooting at a Dollar General store today in Jacksonville. The suspect - a white man in his 20s - died by suicide.

Permitless carry went into effect in Florida last month.
时政
( www.cbsnews.com)

2年前 • Shannon Watts • -- 点击 0 评论

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#Ukraine’s commander-in-chief Valeriy Zaluzhnyi calls a spade a spade: “Russia’s initial strategic goal was to destroy our statehood. After Ukrainians offered fierce resistance, #russia’s goal is to kill Ukrainians.”

It’s a fight for 🇺🇦 survival.

#StopRussia #StandWithUkraine
时政
( twitter.com)

2年前 • olexander scherba🇺🇦 • -- 点击 • 下载视频 0 评论

00:00:52

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Lmao this is such a classic CCP tactic, if you want to know why a Western businessman or political leader is so pro-CCP, they probably got filmed with escorts in China on a “work trip.” MANY SUCH CASES.
时政
( twitter.com)

2年前 • Drew Pavlou 柏乐志 🇦🇺🇺🇦🇹🇼 • -- 点击 0 评论

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One of NASA's favourite space projects is a plan to fit a 1 km radio telescope inside a crater on the far side of the Moon, which would be the largest radio telescope in the Solar System

[read more: ]
有趣
( buff.ly)

2年前 • Massimo • -- 点击 0 评论

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To a Russian pilot who flies a MiG-31 with a Kinzhal missile on board to Ukraine, the GUR of Ukraine will pay 2 million dollars and documents of any NATO country of choice for the whole family reportedly
时政
( twitter.com)

2年前 • PStyleOne1 • -- 点击 0 评论

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🍌 nano banana pro prompt
Use this prompt to generate a playful, stylish portrait collage that accurately replicates a person's features from your uploaded photo, capturing a fresh, youthful aesthetic with scrapbook-inspired decorations and cute, magazine-style details.
---
IT技术
( twitter.com)

25天前 • 宝玉 • -- 点击 0 评论

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The Forbes cover piece mentions how I was emailing the SEC as a kid
Here it is, October 2013. Little did I know...
What people call an "overnight success" takes a decade. And still a looong way to go
时政
( twitter.com)

29天前 • Shayne Coplan 🦅 • -- 点击 0 评论

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Islamist imam with a gun inside a mosque:
“There’s no better way to worship Allah than by killing an infidel.”
I don’t know about you, but I’ve never seen a religious leader of any other religion act like this!
时政
( twitter.com)

1个月前 • Dr. Maalouf ‏ • -- 点击 • 下载视频 0 评论

00:00:25

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最近一条新闻，UCSD很大一部分大一新生不会做小学/初中数学题。
这当然不可能了，全美前列的本科。
这是该校math 2的成绩，不是全体新生的成绩。math 2是什么？是给录取但数学不合格，没有达到高中毕业水平的新生补习的课程。
也就是说，需要上这门课的学生，本身就是极少数不合格的学生。
时政
( twitter.com)

1个月前 • 小径残雪 • -- 点击 0 评论

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