En las selvas tropicales, las plantas compiten por el espacio y las enredaderas crecen hasta los 900 m de longitud. Sin embargo, los peligros internos no son nada en comparación con las amenazas externas.
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Empathy is a term we hear a lot, but what does it mean and how does it work? Looking back through art history, we find many moments when art has allowed us to share in the feelings of others, from Maya Lin's Vietnam Veterans Memorial, to...

👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...

This video provides an electric presentation on sectors and arc lengths of circles. The presenter explains the key information needed to understand the topic, including the circumference and area formulas of a circle. The presentation...

Hey there cutie pies! Today I am walking you through stretches for a flexible back. This warm up and stretch routine is great to do on a daily basis to supplement your flexibility training and get that back limber and mobile. Although...

Introduction to the derivatives of polynomial terms and trigonometric functions thought about geometrically and intuitively. The goal is for these formulas to feel like something the student could have discovered, rather than something...

Let’s discover some more circle theorems so that we can solve all types of geometrical puzzles. We discovered these 4 theorems in part 1: Angle at the centre is double the angle at the circumference The angle in a semi-circle is 90...

With the death of Justice Antonin Scalia during an Presidential Election the nation has been thrown into a potential Constitutional crisis. Should President Obama be able to choose Scalia's replacement or should we wait until the next...

This Video Explains the formula related to Area, Circumferences, arc, sector of a circle

MOT 1948: ST PETERSBURG FLORIDA: Waterfront road. Middle-aged Senior and Elder people on street corner beginning to cross street. Sign: 'Watch While Walking' TD MS People's feet walking. Seniors sitting on benches talking smiling. (St....

👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

In This Episode, Tyler Teaches Us About Dividing a Negative across an Inequality

Movies take a lot of dramatic license where science is concerned, but who's getting it all wrong on the silver screen. From the g-force you would suffer when achieving lightspeed to what a nuclear bomb would sound like in space we...

Learn how to solve problems with chords. A chord is a line that has its two endpoints on the circle. A chord passing through the center of the circle is refered to as the diameter of the circle. A chord divides the circle into two...

In the final part of Dr. Garvin's lecture he continues discussion for the future of exploring Mars with the upcoming Mars Science Lab/Curiosity Rover, the concepts for a future Mars sample-return mission, and his dreams of one day...

La programación de máquinas es más antigua de lo que pensabas...

La programación ha evolucionado desde dispositivos mecánicos antiguos como el carro de Herón y cajitas musicales hasta las computadoras de hoy. En 1801, se...

The video is a lecture presentation that demonstrates how to bisect a line and create a perpendicular line, using a pair of compasses and a ruler. The video covers three key elements: how to create a perpendicular bisector of a line, how...