Physicist Stephen Hawking in Zero Gravity
Science

Top 5 facts about gravity

1) Black holes A black hole’s gravitational pull is so strong that even light can’t escape from what’s known as its ‘event horizon’, an invisible boundary around it. 2) Mighty Moon The Moon’s low gravity means objects weigh one-sixth of … Continued

T cell attacking a cancer cell
Science

Watch a white blood cell attack a cancer cell

White blood cells, such as the T cell, are the body’s natural defence against infection and disease. Discover how the human body protected itself in an attack by watching a killer T cell and cancer cell fight it out under a … Continued

Methicillin resistant Staphylococcus aureus (MRSA)
Science

New antibiotic discovered in soil could fight resistant diseases

Incredibly resistent diseases, such as tuberculosis and MRSA (meticillin-resistant staphylococcus aureusis), could soon be treated with the first new antibiotic to be discovered in nearly 30 years. Researchers at the Northeastern University in Boston, Massachusetts discovered 25 new antibiotics from soil … Continued

3D printed tracheal splint that saved the life of a baby
Science

How 3D printing helped save a baby’s life

3D printing isn’t just for making toys or parts for cars, it also has huge medical benefits too. April and Bryan Gionfriddo’s son Kaiba was born with severe tracheobronchomalacia, a condition that occurs when the airway walls are weak and collapse, … Continued

Iron
Science

Why do irons work so much better when hot?

Cloth fibres are bound together by chemical bonds, the polymer strands becoming fixed in unnatural shapes (wrinkles) as the fabric bends. These bonds are weakened by heat, so when a hot iron is applied, the cross-linking between the fibres is … Continued

Christmas cracker
Science

How do Christmas crackers work?

Christmas crackers are a popular tradition at the Christmas dinner table, but how do they make that loud bang when pulled apart? Inside the main cardboard tube are two strips of card. One contains a small amount of a chemical compound … Continued

On Stride Financial Banknote
Science

How often does a banknote change hands?

If you’ve ever received a rather tatty-looking banknote, you may have wondered how many hands it has passed through on its journey to your wallet, purse or pocket. Well, On Stride Financial has now worked out its journey by calculating the velocity of … Continued

Ice
Science

Why does water expand when it freezes?

The molecules of most elements are more compact in their solid form than they are in their liquid state, but water is different. As you may know, each water molecule is made up of one oxygen atom with two hydrogen … Continued

HIV_H9_T-cell_II
Science

HIV virus is becoming weaker and could lead to the end of AIDS

HIV, the human immunodeficiency virus that causes AIDS, is evolving and becoming less deadly, new research has revealed. When a person becomes infected with HIV, the virus attacks their immune system, and weakens their ability to fight infections and disease. It can rapidly mutate … Continued

Reconstructed neuronal connections in the brain. Thomas Schultz.
Science

Monster telescope could unlock high-res images of the universe and brain

New imaging techniques could unlock secrets of the universe, as well as provide detailed information about the brain. A team of astrophysicists, engineers and computer scientists are conducting research to develop radio interferometric telescope arrays, instruments that record and correlate electromagnetic … Continued

Gecko found on rope in Antigua
Science

Gecko-inspired gloves let you scale walls of glass

Being able to scale walls like Spider-Man has just gone from being comic-book fiction to an exciting reality. A newly developed synthetic adhesion system inspired by geckos has been created and tested, enabling a 70-kilogram (154-pound) human to scale a 3.6-metre (12-foot) pane … Continued

WOOLLY MAMMOTH: THE AUTOPSY
Science

Woolly mammoths could be brought back from extinction

The discovery of a female mammoth carcass preserved in snow could allow biologists to bring the ancient creatures back from extinction. The mammoth, which scientists have nicknamed Buttercup, was found frozen in Siberia in May 2013, and carbon dating of her flesh has revealed that she … Continued

RS49867_DSC_0778-hpr
Science

Why do women have a higher life expectancy than men?

Statistically women are expected to live, on average, four years longer than men. The traditional argument is that men take more risks. This idea has arisen from studies that show men are more likely to die in car accidents, and … Continued

A close-up shot of a can of beer
Science

Why doesn’t alcohol freeze in the freezer?

The type of alcohol that people can drink is called ethanol and has a freezing point of -114°C, much lower than a domestic freezer can reach. However, ethanol is always mixed with water and other flavourings before being drunk and this … Continued

Bozkurt-Roach-1-615
Science

Cyborg cockroaches could help find survivors in disaster zones

Cockroaches are known for being hardy creatures, and now they could be put to work as assistants in dangerous disaster zones. Researchers at North Carolina State University have fitted cockroaches with electronic backpacks that could help them find survivors trapped in the rubble after an earthquake or building collapse. These cyborg … Continued

RS43424__DSC7791-hpr
Science

Is it possible to build a time machine?

So far it is only possible to travel forward in time, and only by fractions of a second. Imagine there are two identical twins; the first travels into space in a high-speed rocket, while the other remains on Earth. When the … Continued

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