When we see a magic trick for the first time we might not understand how the trick is done.
Some people are merely entertained by the trick and seek no further. Some think about it, assume that a trick is involved but can't be bothered to think about it further. Some believe that the performer has magical powers. A few will puzzle about the trick until they can work out how it was done; they might even devise a trick themselves and go on to become magicians.
This is of course my well worn analogy for the relative positions of science and religion.
Suppose that we can't work out how the trick was done, to leap to the assumption that because we can't work it out it must be magic is to say that everything we thought that we knew about our everyday existence is wrong. This is a choice that some can make legitimately. If we can't show how the trick was done and replicate it then it just might be magic.
There may always be tricks that we can't work out, but our history tells us that we have gradually moved from a position where we believed the tricks of witch doctors, shamans, and priests and pushed the boundaries back of the tricks that we do understand. Some in any generation will say that the tricks we don’t understand today are tricks that we will never understand because they are magic, but some will go on exposing the tricks and delighting in manufacturing tricks of their own.
In the twenty first century we are playing with genetic codes, artificial intelligence, the building blocks of matter and probing the fabric of space time. It won’t be long before magicians have no tricks left.
What is surprising is that it is well known how some tricks are done (even if the explanation is quite technical) and yet some continue to believe that real magic is involved.
Dominique Crenn, the only female chef in America with three Michelin stars, joins Big Think Live this Thursday at 1pm ET.
Astronomers spot an object heading into Earth orbit.
Minimoons<p>Scientists have confirmed just two prior minimoons. One was <a href="https://en.wikipedia.org/wiki/2006_RH120" target="_blank">2006 RH120</a>, which orbited us from September 2006 to June 2007. The other was <a href="https://en.wikipedia.org/wiki/2020_CD3" target="_blank">2020 CD3</a>, which got stuck in the 2015–2016 timeframe, and is believed to gotten away in May 2020.</p><p>2020 SO, the new kid on the block, is expected to arrive in October 2020 and pop out of orbit in May 2021.</p><div id="37962" class="rm-shortcode" data-rm-shortcode-id="f4c0fc8a2cba6536ea4cd960ebed3e6e"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1307729521869611008" data-partner="rebelmouse"><div style="margin:1em 0">Asteroid 2020 SO may get captured by Earth from Oct 2020 - May 2021. Current nominal trajectory shows shows capture… https://t.co/F5utxRvN6Z</div> — Tony Dunn (@Tony Dunn)<a href="https://twitter.com/tony873004/statuses/1307729521869611008">1600621989.0</a></blockquote></div>
Identifying 2020 SO<p>The first clue 2020 SO isn't your ordinary asteroid is its exceptionally low velocity. It's traveling much more slowly that a typical asteroid — their <a href="https://www.lpi.usra.edu/exploration/training/illustrations/craterMechanics/" target="_blank">average rate of travel</a> <a href="https://www.lpi.usra.edu/exploration/training/illustrations/craterMechanics/" target="_blank" rel="noopener noreferrer"></a>is 18 kilometers (58,000 feet) per second. Even <a href="https://en.wikipedia.org/wiki/Moon_rock" target="_blank">moon rocks</a> sent careening into Earth orbit by impacts on the lunar surface outpace pokey 2020 SO.</p><p>For another thing, 2020 SO has an orbital path very similar to Earth's, lasting about one Earth year. It's also just slightly less circular than our own orbit, from which it's barely tilted off-axis.</p><p>So, what is it? <a href="https://cneos.jpl.nasa.gov/ca/" target="_blank">NASA estimates</a> that the object has dimensions very reminiscent of a discarded Centaur rocket stage from the <a href="https://en.wikipedia.org/wiki/Surveyor_2" target="_blank" rel="noopener noreferrer">Surveyor 2 mission</a> that landed an unmanned craft on the moon. Back in the day, rocket stages were jettisoned as craft were aimed toward their desired position. This stuff, if released high enough, remains in space. It appears that this Centaur rocket, launched in September 1966, is now making its way back homeward, at least for a little bit.</p><p>When 2020 SO arrives at its closest point in December, the rocket is expected to be about 50,000 kilometers from Earth. Its next closest approach is much further: 220,000 kilometers, in February 2010.</p><img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDQzMDk3NC9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYyODg1MTQ1MX0.HGknDwqp0GmeuczKY_AS7vrPG7KMFUc_XO95tNoI2xo/img.jpg?width=980" id="e5cda" class="rm-shortcode" data-rm-shortcode-id="85eb1f790d8c3ee5b261f7ba13eaa5e1" data-rm-shortcode-name="rebelmouse-image" alt="Centaur rocket stage" />
Centaur rocket stage
What we may be able to learn<p>Earthly space programs being as young as they are, scientists would love to know what's happened to our rocket during a half century in space.</p><p>While 2020 SO won't get close enough to drop into our atmosphere, its slow progress has scientists hopeful that they'll still get some kind of a decent look at it.</p><p>Spectroscopy may be able to reveal what the rocket's surface is like now — has any of its paint survived, for example? Of course, being out in space, it's likely to have been hit by lots of dust and micrometeorites, so the current state of its surfaces is also of interest. Experts are curious to know how reflective the rocket is at this point, valuable information that can help planners of future long-term missions anticipate how well a craft out in space for extended periods will remain able to reflect sunlight.</p>
Researchers say that moral self-licensing occurs "because good deeds make people feel secure in their moral self-regard."
Books about race and anti-racism have dominated bestseller lists in the past few months, bringing to prominence authors including Ibram Kendi, Ijeoma Oluo, Reni Eddo-Lodge, and Robin DiAngelo.
Yet 80 percent of respondents want to reduce their risk of dementia.
- A new MDVIP/Ipsos survey found that only 35 percent of Americans know the symptoms of Alzheimer's disease.
- Eighty percent of respondents said they want to reduce their risks.
- An estimated 7.1 million Americans over the age of 65 will suffer from Alzheimer's by 2025.
Credit: logika600 / Shutterstock<p>Remaining healthy requires regular screenings. Here again we see a disassociation between risk reduction and proactivity. Seventy-seven percent of respondents don't talk to their doctors about lifestyle habits that support brain health; 51 percent have never been screened for depression; 44 percent have never had a neurological exam; and 32 percent have never been screened for hearing problems. </p><p>Common early warning signs of dementia, <a href="https://news.yahoo.com/americans-worry-alzheimers-disease-survey-140644803.html" target="_blank" rel="noopener noreferrer">according to</a> Dr. Jason Karlawish, co-director of the Penn Memory Center, include repetitive questions and stories, difficulties with complex daily tasks, and trouble with orientation. </p><p>In terms of intervention, <a href="https://bigthink.com/21st-century-spirituality/does-lack-of-exercise-lead-to-dementia" target="_self">exercise</a>, <a href="https://bigthink.com/surprising-science/obesity-dementia" target="_self">diet</a>, building a <a href="https://bigthink.com/mind-brain/brain-reserve" target="_self">brain reserve</a>, and challenging your brain (such as learning a new language or musical instrument) are all proven methods for staving off the ravages of Alzheimer's. Oxytocin has also <a href="https://bigthink.com/mind-brain/alzheimers-oxytocin" target="_self">showed promise</a> in brain-addled mice, while researchers found positive results for a <a href="https://bigthink.com/mind-brain/intermittent-fasting" target="_self">group of intermittent fasters</a> in promoting neurogenesis. </p><p>Epidemiologist Bryan James says that dementia is <a href="https://www.npr.org/sections/health-shots/2013/04/15/176920391/how-exercise-and-other-activities-beat-back-dementia" target="_blank">not an inevitable result</a> of aging. </p><p style="margin-left: 20px;">"It's simply not pre-destined for all human beings. Lots of people live into their 90s and even 100s with no symptoms of dementia." </p><p>Professor of neurology at Boston University School of Medicine, Andrew Budson, <a href="https://news.yahoo.com/americans-worry-alzheimers-disease-survey-140644803.html" target="_blank" rel="noopener noreferrer">recommends</a> aerobic exercise and the Mediterranean diet. As has long been known, whole grains, fruits and vegetables, fish and shellfish, and healthy fasts like nuts and olive oil seem to have brain-boosting properties. </p><p>To learn more, take the <a href="https://www.mdvip.com/brain-health-iq-quiz" target="_blank">Brain Health IQ quiz</a>.</p><p><span></span>--</p><p><em>Stay in touch with Derek on <a href="http://www.twitter.com/derekberes" target="_blank">Twitter</a>, <a href="https://www.facebook.com/DerekBeresdotcom" target="_blank">Facebook</a> and <a href="https://derekberes.substack.com/" target="_blank" rel="noopener noreferrer">Substack</a>. His next book is</em> "<em>Hero's Dose: The Case For Psychedelics in Ritual and Therapy."</em></p>
The U.S., China, and Russia are in a "vaccine race" that treats a global challenge like a winner-take-all game.