The Aquascum 2003 is an all-purpose, self-cleaning... maintenance-free, salt water purifier... that is guaranteed to extend the life of your aquarium fish.

Borden thinks toying with her like that could damage her trust in us, not to mention cause unnecessary strife.

They came to the conclusion that man are essential for procreation but when it comes to pleasure Unnecessary.

I drew, and I drew, and since I knew that humor was acceptable in my family, I could draw, do what I wanted to do, and not have to perform, not have to speak -- I was very shy -- and I could still get approval.

(Laughter) The other thing is that since driverless cars will be shared, most people won't own cars, and that means the DMV will go away.

You do not need to be a highly trained, specialized anesthesiologist to use this machine, which is good because, in these rural district hospitals, you're not going to get that level of training.

And what I'm seeing is that people get so used to being short-changed out of real conversation, so used to getting by with less, that they've become almost willing to dispense with people altogether.

So vehicle fitness opens a new automotive competitive strategy that can double the oil savings over the next 40 years, but then also make electrification affordable, and that displaces the rest of the oil.

There are four kinds of strength, or resilience, that contribute to post-traumatic growth, and there are scientifically validated activities that you can do every day to build up these four kinds of resilience, and you don't need a trauma to do it.

So I want to start by offering you a free no-tech life hack, and all it requires of you is this: that you change your posture for two minutes.

And what it basically implies is that, in houses now, we don't need drapes or shutters or blinds anymore because we can sheath the building with these things, as well as control the amount of air conditioning you need inside that building.

And I think, I think, that looking at the technology, this will be cheaper than or the same price as natural gas, and you don't have to refuel it for 30 years, which is an advantage for the developing world.

My vision when we started Google 15 years ago was that eventually you wouldn't have to have a search query at all.

They don't need a huge array of power tools or anything like that, and they can build a small house of about this size in about a day.

Instead of training people how to put forms onto mobile devices, let's create software that lets them do it themselves with no training and without me being involved.

You see, there are facilities now that can actually capture that methane and generate power, displacing the need for fossil fuel power, but we need to be smart about this.

So basically what was happening was that one layer of this value chain was becoming fragmented, as individuals could take over where organizations were no longer needed.

This universal hacker movement needs no introduction today, but six years ago they were not much more than an Internet subculture dedicated to sharing silly pictures of funny cats and Internet trolling campaigns.

Not only do I have a fleet of cars available to me in seven cities around the world that I can have at my beck and call, but heaven forbid I would ever maintain or deal with the repair or have anything to do with it.

But the simple act of encouraging her to come along to that first event led to a process where natural friendships formed, friendships that today are replacing the need for expensive services.

The cultural products of an entire region of the world, as rich, as diverse, have been deemed redundant, if not ignored altogether.

We don't remember every single detail of our past because our brains have a limited capacity and we replace useless memories, like middle school locker combinations, with relevant information.

And finally, even though liars keep descriptions simple, they tend to use longer and more convoluted sentence structure, inserting unnecessary words and irrelevant but factual sounding details in order to pad the lie.

A 1983 neurobiological theory of dreaming, called reverse learning, holds that while sleeping, and mainly during REM sleep cycles, your neocortex reviews these neural connections and dumps the unnecessary ones.

They're completely unnecessary journeys, and last year, they led to the deaths of over 3, 000 people on Europe's borders and within European territory.

And when you do go, you might wait for hours only to get the run-around and to be evaluated by a stoic figure in a white coat who only has 10 minutes to give you and who doesn't value the talk.

Because if we don't, we might end up feeling like aliens in organizations and societies that are full of smart machines that have no appreciation whatsoever for the unnecessary, the intimate, the incomplete and definitely not for the ugly.

Yes, ATMs could do certain cash-handling tasks faster and better than tellers, but that didn't make tellers superfluous.

Healthy brains maintain strong connections between neurons thanks to the brain's continuous efforts to prune itself and remove unused or faulty neural connections.

In this case, the winning form looks kind of like something nature would have designed, minus a few million years of evolution and all that unnecessary fur.

Rhythmic flow, fluid and graceful, waves of serenity, smooth strings of purity, rains replenishing rapidly, rivers of dreams, raging springs covering earth in abundance, universal solvent dissolving, drink, liquid, life and power: water.

But by rather agreeing on a few strong, common principles, redesigning rules and procedures, getting rid of unnecessary data collection and task duplication, and becoming open and transparent.

We investigate all kinds of scientific and quasi-scientific controversies, but it turns out we don't have to worry about any of this because the world's going to end in 2012.

To make sure these buildings are safe, it's not going to take policy -- it's going to take reaching out to the masons on the ground and helping them learn the proper techniques.

In effect, all players in the system are now responsible for keeping their customers healthy, and they're incentivized to avoid any unnecessary medical interventions by simply reducing the number of people that eventually become sick.