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    American Idiot - Unprecedented...

    American Idiot - Unprecedented - "A running list of the dumbest things Trump has said about the coronavirus"

    It's hard to make selections from the dumb things that the author has collected, but...
  2. How did the moon end up where it is?...

    How did the moon end up where it is?

    The Moon is observed to be slowly spiraling away, at about 3.8 cm/year. But there is a problem. Assuming constant tidal-drag friction makes the Moon start...
  3. The Earth's rotation slowing down and the Moon spiraling away

    The Earth's rotation is very gradually slowing down, and the Moon is very gradually spiraling away.

    Ancient shell shows days were half-hour shorter 70 million years ago
    noting journal paper...
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    The LUCA had DNA and proteins, and of these two,...

    The LUCA had DNA and proteins, and of these two, DNA is a simple modification of RNA. Proteins are more complicated, and they are assembled by a rather complicated system, but that system uses RNA in...
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    Origin of Life in Hydrothermal Vents?

    Here are some more features that point to hydrothermal vents as origin-of-life sites.

    When rocks lay the groundwork for the origin of life
    noting journal paper
    A hydrogen-dependent geochemical...
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    But it's a MUCH worse threat than illegal...

    But it's a MUCH worse threat than illegal immigrants or Islamist terrorists, a MUCH MUCH MUCH worse threat, and I know what you think about illegal immigrants and Islamist terrorists, Half-Life.

    I...
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    The Lost Month: How a Failure to Test Blinded the...

    The Lost Month: How a Failure to Test Blinded the U.S. to Covid-19 - The New York Times


    Unbelievable - Unprecedented - from March 18
    noting
    Coronavirus Poll: A Lack Of Trust In Trump, Federal...
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    This hashtag is trending on Twitter:...

    This hashtag is trending on Twitter: #TrumpGenocide

    Frank Figliuzzi : As coronavirus deaths mount, Trump's handling of intelligence warnings looks worse and worse - "I thought Trump's willful...
  9. Coronavirus Relief Bill Challenges All That...

    Coronavirus Relief Bill Challenges All That Libertarians Believe In : NPR

    Thomas Massie on Twitter: "Are they afraid of the truth? I’ve been told that they don’t even have 1 minute available for...
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    Besides gardens, another alternative to lawns is...

    Besides gardens, another alternative to lawns is fake grass - Astroturf and similar products. It's a carpet with plastic grass on it.

    Xeriscaping is landscaping with dryness-tolerant vegetation to...
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    Alternatives to Lawns

    Designing an end to a toxic American obsession: The Lawn - CNN Style

    But the thirstiness of lawns in semiarid and arid parts of the nation has provoked interest in alternatives.

    Does anyone...
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    Prince Jared acts like a slumlord. Jared...

    Prince Jared acts like a slumlord.

    Jared Kushner is demanding his tenants keep paying rent — while asking for leniency from his creditors: WaPo reporter – Raw Story

    David Fahrenthold on Jared...
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    Trump's narcissism has taken a new twist. And now...

    Trump's narcissism has taken a new twist. And now he has American blood on his hands | Jonathan Freedland | Opinion | The Guardian

    So having hunches and feelings is a substitute for doing research?
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    Opinion | The Religious Right’s Hostility to...

    Opinion | The Religious Right’s Hostility to Science Is Crippling Our Coronavirus Response - The New York Times - "Trump’s response to the pandemic has been haunted by the science denialism of his...
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    Fact check: Trump makes another round of...

    Fact check: Trump makes another round of misstatements during coronavirus briefing - CNNPolitics

    The real state of the stock market 22 days ago
    How unforeseen the coronavirus crisis was
    The...
  16. The US keeps millions of chickens in secret farms...

    The US keeps millions of chickens in secret farms to make flu vaccines. But their eggs won't work for coronavirus - CNN

    But eggs don't work for the COVID-19 coronavirus. Egg vaccines also have the...
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    Twitter Users Point Out Major Flaw With Donald...

    Twitter Users Point Out Major Flaw With Donald Trump’s Coronavirus Bill Photo Op | HuffPost - "For the photo op, Trump sat in the Oval Office with 15 people (senior GOP lawmakers and members of his...
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    Joe Biden is likely trading in on Obama...

    Joe Biden is likely trading in on Obama nostalgia, and Obama was a Chief Executive who was sober, mature, dignified, gracious, inclusive, so much that the current pResident totally lacks.

    New York...
  19. Woman gets coronavirus after bragging about not...

    Woman gets coronavirus after bragging about not social distancing

    New Yorkers defy social distancing with 'coronavirus potlucks'

    Up to 10% of recovered coronavirus patients test positive again,...
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    Thus, one gets \sum_{n=1}^\infty...

    Thus, one gets

    \sum_{n=1}^\infty \frac{1}{n^2} = \frac{\pi^2}{6} \\ \sum_{n=1}^\infty \frac{1}{n^4} = \frac{\pi^2}{90}
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    It is evident that the Riemann zeta function has...

    It is evident that the Riemann zeta function has zeros -2, -4, -6, ..., its "trivial" ones. There is a theorem about its remaining zeros, its "nontrivial" ones. It is that these zeros all have real...
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    The Riemann zeta function has the series...

    The Riemann zeta function has the series expansion

    \zeta(s) = \frac{1}{s-1} + \sum_{n=0}^\infty (-1)^n \gamma_n \frac{(s-1)^n}{n!}

    It diverges for s = 1, as one might expect, but for s < 1,...
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    Negative powers of positive integers have some...

    Negative powers of positive integers have some interesting features. Let's consider reciprocals first.

    \sum_{k=1}^n \frac{1}{k} \to \log n + \gamma

    as n -> oo, where the last term is the...
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    Bernoulli and Euler numbers fill out the series...

    Bernoulli and Euler numbers fill out the series expressions for the trigonometric functions. The best-known series are

    \sin x = \sum_{k=0}^\infty (-1)^k \frac{x^{2k+1}}{(2k+1)!} \\ \cos x =...
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    Sums of Powers of Positive Integers

    Let's consider sums of powers of positive integers.
    \sum_{k=1}^n 1 = n \\ \sum_{k=1}^n k = \frac12 n (n+1) \\ \sum_{k=1}^n k^2 = \frac16 n (n+1) (2n+1) \\ \sum_{k=1}^n k^3 = \frac14 n^2 (n+1)^2 \\...
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