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Time-Lapse Audio of Baby’s First Words Illustrates Complexity of Language

MIT researcher and father records son’s first words in this thought-provoking two-year experiment.

 Katie Felber
01.22.16

Deb Roy is a researcher at MIT who wanted to understand how his infant son learned to speak. So, he wired his house with cameras and ultimately recorded more than 90,000 hours of video footage, within which existed over 7 million transcribed words from surrounding caregivers. By the end of two years, Roy had recorded his son as he learned 503 new words.

He then teased apart the patterns in the data and observed the influence of social environments on language acquisition. The resulting presentation is an astonishing reflection of his work.

Skip ahead to 4:56 to hear his son learning to convert “gaa” to “water.”

Roy’s research is not only remarkable in mapping out speech environments on a visual space-time continuum, but his experiment toward the end of the video, which tracks what he calls “word-scapes” in mass media, also sheds light on how much our speech continues to be shaped by the media that surround us.

The most important thing he learned, however, seems to be the way in which all three caregivers systematically restructured their language to meet his son at the simple birth of a word, and then escalated the complexity of their own speech to help him grow. So not only is the infant learning from his environment, but his environment is learning and responding from him. Thanks to technology, this amazing feedback loop can now be passed down to the boy’s kids, and so on.

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Videos

Youth activists gather to fight climate change at UN Summit: 'We need to transform anger into action'

Julian Meehan

Young leaders from around the world are gathering at the United Nations Headquarters in New York Saturday to address arguably the most urgent issue of our time. The Youth Climate Summit comes on the heels of an international strike spearheaded by Greta Thunberg, the 16-year-old climate activist from Sweden, who arrived in New York via emissions-free sailboat earlier this month.

Translated from Swedish, "berg" means "mountain," so it may feel fated that a young woman with Viking blood in her veins and summit in her name would be at the helm. But let's go out on a limb and presume Thunberg, in keeping with most activists, would chafe at the notion of pre-ordained "destiny," and rightly so. Destiny is passive — it happens to you. It's also egomaniacal. Change, on the other hand, is active; you have to fight. And it is humble. "We need to get angry and understand what is at stake," Thunberg declared. "And then we need to transform that anger into action."

This new generation of activists' most pernicious enemy is denial. The people in charge — complacent politicians and corporation heads who grossly benefit from maintaining the status quo — are buffered from real-life consequences of climate change. But millions of people don't share that privilege. For them, climate change isn't an abstract concept, but a daily state of emergency, whether it comes in the form of "prolonged drought in sub-Saharan Africa…devastating tropical storms sweeping across Southeast Asia, the Caribbean and the Pacific…[or] heatwaves and wildfires," as Amnesty International reportsare all too real problems people are facing on a regular basis.

RELATED: Greta Thunberg urges people to turn to nature to combat climate change

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The Planet

18 of the best signs from New York's Climate Strike march

Millions of people in over 150 countries across the globe marched for lawmakers and corporations to take action to help stop climate change on Friday, September 20.

The Climate Strikes were organized by children around the world as an extension of the of the "Fridays for Future" campaign. Students have been walking out of classrooms on Fridays to speak out about political inaction surrounding the climate crisis.

"We need to act right now to stop burning fossil fuels and ensure a rapid energy revolution with equity, reparations and climate justice at its heart," organizers say.

There's no doubt the visual images from the marches send a powerful message to those on the ground but especially those watching from around the world. GOOD's own Gabriel Reilich was on the scene for the largest of the Climate Strikes. Here are 18 of the best signs from the Climate Strike march in New York City.

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How you can get involved in the Global Climate Strike

September 20th marks the beginning of a pivotal push for the future of our planet. The Global Climate Strike will set the stage for the United Nations Climate Action Summit, where more than 60 nations are expected to build upon their commitment to 2015's Paris Agreement for combating climate change.

Millions of people are expected to take part in an estimated 4,000 events across 130 countries.

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The Planet

Why the iPhone 11 is making people with trypophobia experience panic and revulsion

Do you have it?

via Apple

When the iPhone 11 debuted on September 10, it was met with less enthusiasm than the usual iPhone release. A lot of techies are holding off purchasing the latest gadget until Apple releases a phone with 5G technology.

Major US phone carriers have yet to build out the infrastructure necessary to provide a consistent 5G experience, so Apple didn't feel it necessary to integrate the technology into its latest iPhone.

A dramatic new feature on the iPhone 11 Pro is its three camera lenses. The three lenses give users the the original wide, plus ultrawide and telephoto options.

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Health

Woman dreams she swallowed her engagement ring and wakes up with it missing

Dreams can have a powerful effect on us.

via I love butter / Flickr

We often dismiss our dreams as nonsensical dispatches from the mind while we're deep asleep. But recent research proves that our dreams can definitely affect our waking lives.

People often dream about their significant others and studies show it actually affects how we behave towads them the next day.

"A lot of people don't pay attention to their dreams and are unaware of the impact they have on their state of mind," said Dylan Selterman, psychology lecturer at the University of Maryland, says according to The Huffington Post. "Now we have evidence that there is this association."

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