In a multi-break firework, stars are contained in separate cardboard compartments within the shell. Each compartment has its own bursting charge, which ignites and throws out the stars. In order to ...

Dissections. Does the word make you cringe? Feel a little sick to your stomach? Fill you with dread? For many reasons dissections can cause concerns for educators, but they are a very important part ...

US President Donald Trump threatened to send Tomahawk missiles to Ukraine if Russia did not return to peace talks, but analysts say the long-range weapons are not the game-changer they are made out to ...