Business Insider Select

In a lab test of 15 illegal weed vape carts, 13 contained a dangerous additive — and all 15 were contaminated with cyanide

In a test conducted by NBC News, a variety of illegal vape carts tested positive for a contaminant "that can transform into hydrogen cyanide."

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The newest 'Shark Tank' judge explains how a Harvard MBA fit into her decision to become an entrepreneur — and how she founded a personal-styling company worth $1.9 billion

The Stitch Fix founder and "Shark Tank" judge reveals how she started her company — and how going for an MBA mitigated the risks of entrepreneurship.

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9 tiny houses in Silicon Valley that you can rent on Airbnb

Silicon Valley is home to all kinds of tiny houses you can rent, from modern, mobile homes to rustic cabins.

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'We didn't think it would be this hard': Retirement is an uphill battle for many Americans, and working longer won't fix it

Retirees may count on Medicare, part-time jobs, and affordable senior housing after a lifetime of working, but it doesn't always pan out.

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Here’s exactly what it takes to get into Wharton's MBA program, the No. 1 business school in the world

To get into Wharton for an MBA, do some research beyond just the classes and alumni, say these experts — and get to know the culture of the school.

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9 ex-Tesla employees reveal the worst parts of working there

Nine former Tesla employees who worked at the company from 2008 to 2019 described their least favorite parts of their jobs to Business Insider.

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John Kelly reportedly used to mute the line during calls with world leaders to urge Trump not to discuss sensitive topics

The fallout over a recent call between Trump and the Ukrainian president has cast new scrutiny over Trump's previous calls with other world leaders.

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Watch live: Elon Musk reveals SpaceX's new plan for Starship, a rocket system designed to populate Mars

SpaceX's new Starship Mk 1 rocket ship is part of a larger effort to create a launch system that'd take dozens of people to Mars at a time.

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The 50 most miserable cities in America

Based on US census data, we've ranked the most miserable cities across the country. Here are the 50 most miserable.

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