Saturn's rings are younger than Saturn, and the most spectacular sight in the Solar System is also disappearing. How do we know? By running our finger through some cosmic dust.

There is a group of animals with more species than any other group, but Earth has such an astonishing variety of life that figuring out which group dominates is tricky.

Your brain uses tons of calories, just in its daily work of keeping you alive. So does thinking extra hard use even MORE calories? QQ fills you in!

Do you remember longing for a snow day so you could get out of school? Scientists have found evidence that a decades old technique might increase the chances of a snow day.

Could there be intelligent life on other planets? This question has piqued imagination and curiosity for decades. Explore the answer with the Drake Equation -- a mathematical formula that calculates the possibility of undiscovered life.

Hank sets the record straight on some of the findings of NASA's GRACE mission and how they relate to predictions about sea level rise and climate change.

When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?

There is a group of animals with more species than any other group, but Earth has such an astonishing variety of life that figuring out which group dominates is tricky.

Josh Silver delivers his brilliantly simple solution for correcting vision at the lowest cost possible -- adjustable, liquid-filled lenses. At TEDGlobal 2009, he demos his affordable eyeglasses and reveals his global plan to distribute...

Last week, an asteroid impact drill was conducted, which demonstrated what might happen if an asteroid hit us within the decade. It didn't go quite as well as we would like.

When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?

Researchers have finally determined how long a day on Venus is, give or take an episode of Brooklyn 99.

How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...

How many stars are there in the universe? This question leads Hank to a couple other questions - How many stars can we see from Earth? How many stars are there in our galaxy? - but the answer to the original question proves elusive.

Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: _How many piano tuners are there in Chicago?" Physicist Enrico Fermi was very good at problems like these -- learn how he used the...

Here’s a breakdown of common burndown chart anti-patterns. These are patterns can signal deeper issues in team performance, estimation, or process adherence. The list includes 7 anti-pattern signals, what causes each of them, and how to...

Arriving at a robust project schedule is hard. But, in this video, I will break it down into a simple process with three phases and 10 steps.

PERT and CPM are two forms of Network Chart that are represented differently, and take different approaches to calculating schedules. For both, the roots lie in the 1940s and the way the Manhattan Project was planned.

Anchoring is a cognitive bias that skews your judgments based on the first piece of information you see. Whether in negotiations, medicine, or everyday choices, this bias influences even the smartest minds. <br/>

This Video Explains Marketing - What Distorts the Results of Marketing Research

Change in Estimates - Long Term Depreciation - Accounting

Project Financial Management may not seem appealing. But it's a vital discipline. How do you manage project finances and cost control?



'...ask the man or woman who signs off your bills and funds your project, and ...they...

There are two reasons why cost estimation is important for project managers. First, it’s extremely hard to estimate project costs well. And second, poor cost estimates are often the biggest reason for a...

This video highlights the devastating impact of malaria, particularly in sub-Saharan Africa where millions of people, mostly young children, die each year. It introduces the innovative approach of using nuclear technology to combat...