First Support for a Physics Theory of Life
quantamagazine.org
quantamagazine.org
By "floating header" I mean that thing at the top on the story site that has the story title, the link to comments, a read later link, and a share link, that stays in a fixed position in the window as you scroll the story.
When you scroll the site (Firefox, Chrome, Safari) by hitting the space bar, it scrolls an amount appropriate for what would be visible if the floating header were not there. What this means is that the first line or two that are invisible before the scroll, because they are below the bottom of the window, end up at the top of the window, under the floating header.
Is there no way in CSS or something to set the size of the viewport that the scrolled content is shown in, so that the browser can scroll the appropriate amount? Or do you have to take over scrolling yourself in JavaScript to make that work, which then tends to result in scrolling that does not quite match native scrolling and so annoys people?
If the latter, couldn't you leave scrolling alone when done via the mouse wheel or clicking in the scroll bar, but intercept keyboard events and handle space processing yourself, so that you ONLY take over that form of scrolling? That would be a big improvement over the current situation.
https://www.nytimes.com/2017/11/23/opinion/immigration-visa-...
For example, the chirality of basic biological molecules all seem the same across all life forms. Mathematically and chemically speaking, a different chirality would be exactly as plausible for life.
The most likely explanation is that it does come from a single origin. Either it only started once, or the particular lineage that led to all the life we see now outcompeted other, less efficient forms of primitive life.
The second explanation is not plausible because at least we would have found some evidence, i.e., samples of dead and outcompeted life forms.
Of those that formed billions of years ago, no trace would remain, or, if it did, it would be indistinguishable to us from any non-living molecule that once swam in the primordial soup.
Does organic material that can exhibit chirality last very long after the organism dies? I thought it pretty much all breaks down to simple molecules and elements within 10 million years or so.