Scientists have recently said the greenland ice is past the “point of no return” - what will this mean for AMOC? | AskScience Blog

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Monday, August 17, 2020

Scientists have recently said the greenland ice is past the “point of no return” - what will this mean for AMOC?

Scientists have recently said the greenland ice is past the “point of no return” - what will this mean for AMOC?


Scientists have recently said the greenland ice is past the “point of no return” - what will this mean for AMOC?

Posted: 16 Aug 2020 11:01 AM PDT

Do flies go random when they fly?

Posted: 16 Aug 2020 06:45 AM PDT

We can see them fly, going in circles, stopping, and all seems very random.

submitted by /u/Bart-olomeo
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Why are snail slime lines discontinuous?

Posted: 17 Aug 2020 07:34 AM PDT

My best guess would be a smooth area to glide on and a rougher area for traction, is this correct?

e.g.

submitted by /u/keysersosayweall
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What causes the baby to turn head down and hold position in the final weeks of pregnancy?

Posted: 17 Aug 2020 07:46 AM PDT

For a pregnant women, the baby should start to turn head down at around week 33, and hold position until give birth.

What causes this to happen? Does the uterus knows how to 'turn' the baby? Theres muscles in the uterus to do this? Or is this the baby's own instinct that he waddles himself to head down?

And once the baby is in head down position, how does he maintain that position, but not being drifted away? What's holding him in position?

submitted by /u/eatqqq
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Why does it seem like viruses, diseases, and cancer are more common now that we are technologically advanced than in the past?

Posted: 17 Aug 2020 06:33 AM PDT

Some colonies of ants and termites are organized by castes that fulfill specific functions and for this they have different bodies (workers, soldiers, neotics). What happens inside the queens that allows them to give birth to morphologically differentiated individuals?

Posted: 17 Aug 2020 02:15 AM PDT

I don't think I have heard of any other animal (except bees and wasps) that can do something similar.

submitted by /u/Satanas_Subtropical
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Can you train memory and concentration?

Posted: 17 Aug 2020 07:39 AM PDT

I am curious about this subject but I get the feeling that when I search for this on the Internet everyone who says that you can is trying to sell you something.

So my question would be if it is scientifically proven that you can train those things and if doing so would bring you positive aspects to your life.

Also I would like to ask to the experts if it is true that the current lifestyle is encouraging the opposite of developing good attention and memory skills and how can you effectively fight this.

(obligatory "sorry if my english is not perfect, it is not my birth language yada yada yada)

submitted by /u/Mr_Pol
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How do lungs clean themselves?

Posted: 17 Aug 2020 01:33 AM PDT

I'm mostly interested in understanding the mechanism for this because it's one of the only organs which is directly exposed to the environment. Thank you, in advance.

submitted by /u/Capable-Amphibian
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What is the current consensus in the field of bariatrics on mitigating obesity?

Posted: 17 Aug 2020 07:24 AM PDT

Obesity is a very politcally charged subject so it's difficult to get good information on what researchers in the field consider to be the best approach for governments/healthcare providers to adopt to combat the disease.

submitted by /u/watermaindude
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If I use salt to lower the boiling temperature of water, and maintain that temperature, is the water still as effective at cooking food at the lower temperature?

Posted: 16 Aug 2020 08:34 PM PDT

If the Earth didn't rotate on its axis would there be no day/night cycle, or would the period between the cycles just be very long?

Posted: 16 Aug 2020 08:04 PM PDT

Unexplained gravitational lensing events in the solar system?

Posted: 16 Aug 2020 10:29 AM PDT

In Planet X? Why not a tiny black hole instead?, the final paragraph says

Underlying the speculation is an interesting coincidence: unexplained gravitational lensing events that happen to be the right mass and distance to explain some very odd orbits of trans-Neptunian objects.

What are these unexplained gravitational lensing events, and where can I learn more about them?

submitted by /u/iayork
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Does a person with a larger head have more brain cells than someone with a smaller head?

Posted: 17 Aug 2020 03:13 AM PDT

Are there ever new suns? Do all suns that will ever exist already exist?

Posted: 16 Aug 2020 11:04 AM PDT

If we gather all the living and collectable dead people's DNA, can scientists determine the movement and origins of people and tribes and reconstruct their faces in different times?

Posted: 17 Aug 2020 01:37 AM PDT

How can a "dominant" allele mutation, such as that causing Von-Hippel-Lindau, be considered "2-hit"? Shouldn't 1 suffice? Needing both alleles mutated should mean it's recessive, no?

Posted: 16 Aug 2020 09:31 PM PDT

Edit: Sorry about the double post, thought this one got deleted.

submitted by /u/styrrell14
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What is agreeableness in the Big 5, really?

Posted: 17 Aug 2020 04:08 AM PDT

I took a personality test some time ago, and my results were described as kind of stereotypical nerd -- high in openness and low in agreeableness.

Agreeableness was explained to me at that time as a willingness to "go along to get along," which I don't really have much of, seeking solutions to problems more than social unity. Still, people generally seem to think that think I'm sympathetic and try to view disagreements from all viewpoints. I'm generally considered a serious team player, if a bit of a curmudgeon. I've been leading teams for a couple of decades now.

So I was surprised when, a few years later (now), I tried to look up the Big 5 out of curiosity and find all manner of definitions of agreeableness, many of which seem to pit it as selflessness on a spectrum opposite selfishness. Others paint it as concern about your own feelings vs others during disagreements. (In this one, where's concern for truth or the best solution?) But again, there doesn't seem to be any elevator pitch for agreeableness that major psychology sites agree on.

So what is it, really?

p.s. If it ends up being selfishness, I'm definitely taking my personality profile off my CV. Haha.

submitted by /u/bodangren2
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Why does Shingrix have a much higher efficacy than Zostavax in preventing herpes zoster outbreaks (>90% vs 50-60%)? Can a vaccine similar to Shingrix be created to prevent herpes simplex outbreaks, given that herpes zoster and herpes simplex are both alphaherpesviruses?

Posted: 16 Aug 2020 01:22 PM PDT

What does the D614G mutation of the SARS-CoV-2 virus mean for the vaccines which are currently being developed?

Posted: 16 Aug 2020 11:23 AM PDT

How are spectral lines in a CCD image identified?

Posted: 16 Aug 2020 10:38 PM PDT

What kind of references do we normally use to identify spectral lines from a CCD generated spectrum? Also apart from the elemental composition is there any other way to identify if a given spectral line is from the chromospheric or photospheric region of the sun? Thank you.

submitted by /u/pavithiramks
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how do you know exactly where is a fault line?

Posted: 16 Aug 2020 03:02 PM PDT

Following anthropogenic climate change, how will Earth eventually cool down again?

Posted: 16 Aug 2020 02:04 PM PDT

Let's assume the climate will increase by 2 or 3 °C by the year 2100, which is vastly going to change ecosystems all over. And let's assume humans won't figure out a way to store or get rid of the excess greenhouse gases that are heating up the atmosphere (so no carbon capture etc). We know about the tipping points that will heat up the planet even further, but what are the most likely ways that the climate would eventually go back down to a pre-industrial era climate, and how long will it take for that to happen?

submitted by /u/chupanebray
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Are the oils manufactured from phytoestrogen dense plants/seeds full of phytoestrogen or is it removed in the oil making process?

Posted: 16 Aug 2020 09:19 PM PDT

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