highflower

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Why is the sea so salty?

Why does the sea taste so salty? As the Earth Unplugged team discovers, it’s our rivers that have a huge part to play.<p>Most of our planet’s surface is covered in water – salt water. The oceans that support so much of Earth’s life are around 3.5% sodium chloride – 50 million billion tonnes of …

Saltwater

6 Mistakes You've Been Making With Your Flat Iron

<b>The Mistake: You Skip Heat-Protectant Spray</b><br>If you're not putting a heat-protectant spray on your hair before you use your flat iron, it's like asking for damage. (This goes for any heat-styling tool.) On clean, damp hair, spray on a heat protectant to shield your hair from hot-tool harm.<p><b>The</b> …

How human culture influences our genetics

The way we eat, cook, explore and interact with others can influence our genes, says Jason G Goldman. So how will modern culture shape our children?<p>You shouldn't be able to drink milk. Your ancestors couldn't. It is only in the last 9,000 years that human adults have gained that ability without …

Biology

World's Oldest Decimal Times Table Found in China

The newly deciphered multiplication table, written on bamboo strips dated to 310 B.C., was more sophisticated than earlier versions.<p>Q: How much is 230 times 10?<p><b>A: The number of years humans have been calculating with decimals.</b><p>A crack team of scholars in Beijing learned this last year when they …

Squids And Other Invertebrates Can Probably Feel Pain

The ghost of calamari past...<p>Do animals without backbones, such as squids, crabs, and lobsters, feel pain? New research suggests they do.<p>Evolutionary neurobiologist Robyn Crook and colleagues at the University of Texas Health Science Center have recently shown that cephalopods (a group including …

The Collaborative Economy Is Exploding, And Brands That Ignore It Are Out Of Luck

Rides, houses, power tools: You can share almost anything today, and the number of people sharing is growing every day. If you’re a company that only sells to consumers and doesn’t help them share, you may want to rethink your plans.<p>The so-called “collaborative economy” is gaining steam, as people …

Loneliness and the Sacred Web of Life

Recently Oprah Winfrey and Dr. Sanjay Gupta instigated a "Just Say Hello!" campaign as a way to combat the deep loneliness that pervades so many people today. Dr. Gupta speaks of the heartbreaking sense of isolation, a toxic, brutal, and even physical pain. Our increasingly connected society has a …

Spirituality

What are armpits for?

And why are they hairy? Greg Foot explains all, and also reveals which sex has the smelliest armpits.<p>There are a few theories for why armpits are hairy. One idea is that they stop your lymph nodes from overheating. Another is that the hairs actually reduce friction when you walk. A third theory is …

YouTube

How to learn like a memory champion

Companies are creating learning aids that tap the science of memories, says David Robson. Do they work in the classroom?<p>For most of his 20s, Ed Cooke had been hovering around the top 10 of the World Memory Championships. His achievements included memorising 2,265 binary digits in 30 minutes and the …

Education Technology

For privacy, 'shuffle' data on cloud servers - Futurity

To keep data safe in the cloud, a group of computer scientists suggests doing the Melbourne Shuffle—not the dance move, but the new computer …

Privacy

Meat-Eating Humans: Mightier Than Lions, Feebler than Ants

I know some of you prefer the punch line right up front, so for that camp, here you go: A population of some 7 billion Homo sapiens simply cannot eat much meat. Period.<p>In my world, the debate about meat-eating often devolves to competing views about nutrients, advanced with that penchant for dogma …

Get To Know China's Top 10 Property Barons - And Baronesses

Twenty-one of the world’s billionaires are Chinese property developers, according to the 2014 Forbes Billionaires List, and the number may go up a bit higher if you include investors who got their start in real estate before moving on to other areas.<p>In all, out of 1645 billionaires included on the …

5 Subliminal Sex Messages Hidden In Ads For Wholesome Brands

Subliminal messaging has been part of advertising for a long time. And more often than not, that messaging is related to sex in some way.<p>Here are five examples of innocent products that hid some risqué material in their ads.<p><i>Produced by Matt Johnston</i>

Messaging

Plank position for beginners

We all know plank position is good for us. But. Um. What if you lack the core strength needed to suck in the gut and engage the back, glutes and quad muscles — all while balancing between your toes and elbows?<p>Answer: You slowly and carefully work your way up to it, says fitness expert Tosca Reno, …

Using Your Smartphone At Work Isn't A Bad Thing (And It Could Actually Make You Happier)

By: Chad Brooks<p>Published: 02/19/2014 05:54 AM EST on BusinessNewsDaily<p>Though it may seem counterintuitive, giving employees time to play around on their smartphones every day could actually benefit businesses, new research suggests.<p>Even though it might seem like smartphones would hamper workplace …

Psychotic traits in young linked to changing schools

<b>Children who have repeatedly moved schools may be more likely to develop psychotic-like symptoms as young teenagers, a study has found.</b><p>Researchers said children that had moved schools three times or more before the age of 12 were 60% more likely to develop at least one psychotic symptom as young …

University of Oxford

Why Most People Are Deathly Afraid of Public Speaking and What They Can Do About It

It has been repeated by many and joked about by the likes of Jerry Seinfeld that most people are more afraid of public speaking than of death itself. And even though this statement may be quite amusing, it lacks scientific truth. However, research has shown that public speaking is in fact one of …

Self-help

These Marsupials Are Sexing Themselves To Death

All the males of the newly discovered species die before they're 1 year old.<p>Oh, wow, look at this cute little mouse thing. I bet it lives a long and fruitful marsupial life. Ha, no. Kidding! It probably dies from bumping uglies too hard.<p>Australian scientists recently discovered these little …

New South Wales

Cat Bites Are Linked To Depression

The reason why is not fully clear. Maybe cats just dislike depressed people.<p>What's the matter--cat bite your hand? After combing through the health records of 1.3 million people over 10 years, researchers found an unusual link between cat bites and depression. More than 41 percent of those who had …

Pets

Baby boys and girls receive different nutrients in breast milk

Baby formula should be tailored for boys and girls to reflect the differences in milk that mothers produce depending on their baby's sex, researchers say.<p>Tests on mothers' milk in both monkeys and humans have showed that levels of fat, protein, vitamins, sugars, minerals and hormones vary …

T-cells break the rules when salmonella attacks - Futurity

The immune system's T-cells respond differently when the body is attacked by fast-acting bacteria, such as salmonella.

Will this drug cause side effects? Ask your genes - Futurity

A test to determine genetic susceptibility to side effects from the drug haloperidol currently isn't available, but researchers want to change that.

Genes

Why Does White Noise Help People Sleep?

A white noise machine is the simplest solution to blocking out noise.<p>On its face, flipping on white noise before hitting the sack must be the most counterintuitive idea out there. Want to sleep better? Simple solution: make a bunch of noise. Sweet dreams ahoy.<p>And yet, not only do some people swear …

Music Production

It's True: Liberals Like Cats More Than Conservatives Do

In January, <b>TIME ran a 12-question quiz</b> that guessed your politics based on things like your preference for cats versus dogs and the neatness of your …

This Woman Invented a Way to Run 30 Lab Tests on Only One Drop of Blood | WIRED

Phlebotomy. Even the word sounds archaic—and that’s nothing compared to the slow, expensive, and inefficient reality of drawing blood and having it …