NASA
NASA's Hubble Memorable Moments: Comet Impact
In July 1994, the Hubble Space Telescope was poised to use its newly fixed optics to observe one of the most impressive astronomical events of the century - the 21 fragments of Comet Shoemaker-Levy 9 impacting Jupiter. But these...
NASA
NASA | Observing the 2015 El Niño
People the world over are feeling, or soon will feel, the effects of the strongest El Niño event since 1997-98, currently unfolding in the eastern equatorial Pacific Ocean. New satellite observations are beginning to show scientists its...
NASA
NASA | Megadroughts Projected for American West
NASA scientists used tree rings to understand past droughts and climate models incorporating soil moisture data to estimate future drought risk in the 21st century.
NASA
NASA | ATREX Studies Earth's Ultra-High Super Wind
High in the sky, 60 to 65 miles above Earth's surface, winds rush through a little understood region of Earth's atmosphere at speeds of 200 to 300 miles per hour. Lower than a typical satellite's orbit, higher than where most planes fly,...
Curated Video
Describing Data (Part 2)
Describe a data distribution (number of observations, median, range, mode, maximum and minimum).
Let's Tute
Calculating Mean of Group Data using Step Deviation Method
This video explains how to find the mean of group data using the step deviation method in statistics. It provides a step-by-step guide to organizing the data, calculating mid-values and frequencies, and using the formula to find the...
msvgo
Median of Grouped Data
It explains how to compute the median of continuous frequency distribution and conversion of "less than" type and "more than" type data into cumulative frequency distribution.
Curated Video
Determining Observations in Data through Histograms and Line Plots
In this video, the teacher explains how to determine the number of observations in a set of data by analyzing histograms and line plots. The importance of sample size is emphasized, as a larger sample provides a clearer picture of the...
NASA
NASA’s TESS Delivers New Insights Into an Ultrahot World
Measurements from NASAs Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of the bizarre environment of KELT-9 b, one of the hottest planets known. Located about 670 light-years...
Curated Video
Calculating and Understanding the Mean
Understand and Calculate the mean of a data set.
NASA
Landsat 9 At Work
Landsat 9, which NASA is launching in September 2021, will collect the highest quality data ever recorded by a Landsat satellite, while still ensuring that these new measurements can be compared to those taken by previous generations of...
NASA
IceBridge Flies 300 Hours of Antarctic Science Flights
Flying low over the Earth’s southernmost continent, Operation IceBridge is wrapping up its eighth consecutive field season of mapping the ice sheet and glaciers of Antarctica, as well as the surrounding sea ice. With more than 300 hours...
NASA
NASA | Water for Tea: Part II
View "Water for Tea: Part I" at:One of the critical components of the Earth's hydrological cycle is precipitation. Rainfall is essential for providing the fresh water that sustains life. Water cycling and the future availability of fresh...
NASA
NASA Spacecraft Uncover Mystery Behind Auroral Beads
A special type of aurora, draped east-west across the night sky like a glowing pearl necklace, is helping scientists better understand the science of auroras and their powerful drivers out in space. Known as auroral beads, these lights...
NASA
NASA | TRMM Mission Ends
In 1997 when the Tropical Rainfall Measuring Mission, or TRMM, was launched, its mission was scheduled to last just a few years. Now, 17 years later, the TRMM mission has come to an end. NASA and the Japan Aerospace Exploration Agency...
Food Farmer Earth
Cornfield in Winter: A Farmer's Reflections
Organic farmer, and former forester, Anthony Boutard, speaks of the meaning to him of his cornfield. Not just during the more active periods of the growing seasons, but over the dormancy of winter; his cornfields serve as a sanctuary for...
NASA
Tracking California Rains During El Niño
This winter, areas across the globe experienced a shift in rain patterns due to the natural weather phenomenon known as El Niño. New NASA visualizations of rainfall data show the various changes to California. According to the National...
NASA
NASA | OIB Flights South 2014: A Sea Ice Mystery
Where’s it coming from? With global average temperatures rising, it would be natural to assume that total quantities of sea ice would be falling. But it’s not. Scientists have begun to observe sea ice increases around Antarctica, and the...
NASA
NASA | NPP: Why another Earth observing satellite?
NASA's NPP mission will continue collecting critical climate data to help scientist unravel the mysteries of climate change. This fun interactive mission overview video featuring TV meteorologists Topper Shutt (WUSA9), Veronica Johnson...
Journey to the Microcosmos
This Extremely Rare Ciliate Has Only Been Seen Four Times
If you’ve been following James, our master of microscopes, on some of his other platforms, then you know what’s coming. You know that James has published his first academic paper, it's about this extraordinarily rare ciliate that you see...
Curated Video
Practical Data Science using Python - Optimizing Classification Metrics
This video explains optimizing classification metrics. This clip is from the chapter "Machine Learning" of the series "Practical Data Science Using Python".This section explains machine learning.
Amor Sciendi
Virgin on the Rocks
Everyone talks about Leonardo da Vinci as the paradigm of the Renaissance Man. His painting The Virgin on the Rocks is perhaps the best example of his many talents on display.
Curated Video
Practical Data Science using Python - K-Means - Model Optimization
This video explains K-Means - model optimization. This clip is from the chapter "Unsupervised Learning - K-Means Clustering" of the series "Practical Data Science Using Python".This section explains unsupervised learning - K-Means...
Curated Video
Practical Data Science using Python - Decision Tree - Hyperparameter Tuning
This video explains decision tree - hyperparameter tuning. This clip is from the chapter "Classification using decision trees" of the series "Practical Data Science Using Python".This section explains classification using decision trees.