Quantifying Information Content Does Not Bring Meaning Fr...

It is perfectly true that redundancy aids recognition of a signal as a language or a code, and this recognition is crucial to SETI. However, Shannon’s method provides only a quantitative measure of the complexity of a language or signaling system—not a translation. And while it is axiomatic in cryptology that redundancy helps in deciphering a text, the task of decipherment/cryptanalysis is to move from an encoded text to the original text—not from text to meaning. To get from text to me...

 Exercise Prevents Spending Calories on Fat Storage and Ot...

The reason for that is because exercise causes stress and that stress turns on a whole raft of beneficial effects. And there are really two kinds of this stress. Now, the first kind is energetic stress. Like I went for a run this morning, I spent probably about 500 calories running and I can only do so many things with the calories my body has. And if I spend 500 extra calories exercising, that means I'm not gonna spend 500 calories on other activities that my bother body might engage in. An...

 Exercise Creates Structural Stress

Now, the other kind of stress Structural stress from activity that physical activity cause is structural stress. Now, when I was running this morning, for example, my mitochondria were generating all kinds of ATP to fuel my body, but my mitochondria were also spewing out all kinds of reactive oxygen species, which cause widespread damage throughout my body. I was getting mutations in my DNA, those that damage is causing my telomeres at the end of my chromosomes to shorten its damaging cells. ...

 Why Humans Evolved to be Active

Humans of all to be much more physically active than our ape ancestors. Typical chimpanzee walks maybe two to three kilometers a day, and they take maybe what, three, 4,000 steps a day. A typical hunter-gatherer takes about 15 to 20,000 steps a day. Per kilo hunter-gatherers spend about twice as much energy per kilo on being physically active per day than our ape cousins. And importantly, that physical activity occurs as we age, right? So Americans are pretty inactive, as we all know. A typ...

 Digestive Enzymes Leaking into the Body May Increase Aging

In young rats, the researchers found low levels of the protein-breaking enzyme trypsin, although the tiny folds (villi) of the small intestine and the lungs contained more of this molecule. However, trypsin levels were much higher in old animals. “High densities are on sections of the intestine, liver, and lung, organs that are in the pathway of digestive enzymes leaking from the small intestine,” the paper says. Elevated levels of other digestive enzymes (elastase, lipase, and amylase) ...

 "Race" in D&D

As a social scientist who studies male-dominated subcultures, I have done research that put me in spaces where I delved into reactions to issues of race in gaming. A key question is this: Given how charged the term race has been, why would games use it to discuss differences that have nothing to do with the way we traditionally use the word? Dungeons & Dragons is not the only game to use the term in this way; so have many other digital and analog fantasy offerings. But the celebrated game...

 Undecided Voters are Uninformed and Disengaged

Many commentators have suggested that undecided voters’ opinions are better understood not as deeply held, thought-through beliefs, but as a sort of verbal Muzak. You say, of a candidate who has given many policy specifics already (and whose opponent speaks in word salad), “I need more policy specifics,” because it sounds better than “I don’t know what policies I want.” You say “The candidates just attack each other” because it sounds better than “I don’t actually know wha...

 Pension-Fraud Correlated with Longevity

Regions where people most often reach 100-110 years old are the ones where there’s the most pressure to commit pension fraud, and they also have the worst records. For example, the best place to reach 105 in England is Tower Hamlets. It has more 105-year-olds than all of the rich places in England put together. It’s closely followed by downtown Manchester, Liverpool and Hull. Yet these places have the lowest frequency of 90-year-olds and are rated by the UK as the worst places to be an ol...

 Skepticism on Blue Zones

I started getting interested in this topic when I debunked a couple of papers in Nature and Science about extreme ageing in the 2010s. In general, the claims about how long people are living mostly don’t stack up. I’ve tracked down 80% of the people aged over 110 in the world (the other 20% are from countries you can’t meaningfully analyse). Of those, almost none have a birth certificate. In the US there are over 500 of these people; seven have a birth certificate. Even worse, only abou...

 Quantifying Animal Farmed Animal Suffering with Neuron Co...

The question of what weight to give to human interests and to nonhuman animal interests is difficult.67 Humans are literally outweighed by farmed animals: land-based farmed animals have 70 percent more biomass than all humans.68 Land-based farmed animals also outnumber humans greatly, by a factor of three to one, with 25 billion chickens, 1.5 billion cattle, 1 billion sheep, and 1 billion pigs alive at any one time; farmed fish outnumber us, at a very rough estimate, ten to one, with around 1...