If we know how many astronomical units separate a planet from our sun, we can use Kepler's Third Law to predict how long it will take to circle our star. But where does the law come from?

Read about the solar system's second most exciting planet (Earth, naturally, being the most interesting ). This planet is, in a sense, the center of its own world, and the Galileo mission has increased our knowledge of the mysterious moons that revolve around the Lord of the planets.

The Evolution of Elements (simpler version)

Biology

How glucose, the universal fuel, is broken down so that its energy is invested in making the chemical facilitator, ATP.

Adenine and guanine are purines. Thymine, cytosine and uracil are chemically related: they are pyrimidines.

A colour wheel reveals the genetic code for each amino acid in proteins.

Chemistry

Complete Notes and Homework Solutions (with accompanying booklet in pdf format)

Minerals: why they are sometimes more interesting than laboratory powders.

The position of hydrogen's spectral lines are predicted by a simple formula. How can the formula be derived from laws of physics?

Solubility became a whole new venture when these were discovered and developed in the 1960's and 70s.

In spite of its shortcomings, morphine and its related compounds are still unsurpassable at dulling chronic  pain.

There's more to electric light than meets the eye.

How temperature, pH, yeast and a host of compounds influence the molecular events that transform sweet grapes to sophisticated wines.

Caffeine and similar molecules seem to occupy the spot reserved for a sleep inducing molecule in the brain.

Some fingerprinting techniques, preliminary drug tests, ways of identifying poisons and more.

The solution to this game is an important phone number.

Major advances in chemistry in the context of other discoveries and historical events.

In the early part of the 20th century, chemistry bloomed into adulthood.

If Hammerstein were a chemist, this is what the lyrics to My Favorite Things would be.

Learn a heap of chemistry by reading about the work and science behind the glory of the prizes.

Some are deadly because of certain amines, alkaloids, polypeptides or phenolics: chemicals synthesised by plants to protect themselves from herbivores like us.

Find out why Amanita mushrooms are so deadly.

Urinating will never be the same experience after you read about how much chemical work goes into producing pee.

If, in a scale model, you reduce the size of the universe to the size of the earth, how small does our planet become?

Complete Notes and Homework Solutions (with accompanying booklet in pdf format)

See if you can identify 11 of the greatest scientists of the past.

The mysteries of pool chemistry are cleared, so you can enjoy the summer while staying on top of your chemistry.

The structure of C₆₀: buckminsterfullerene

A tough quiz on the elements of the periodic table with explanations.

In 1996 the world released 2740 million metric tons of carbon dioxide. That's 2.74 X 10¹³kg or 1.446 X 10¹³ m³ ( at 10 C and standard pressure), enough to cover an area 1.5 times the size of Canada to a height of 1 metre!

Using Environment Canada's statistics from 1995, we show where most of the SO₂, NO_X and CO₂ come from

Cars not only contribute to smog, acid rain, global warming and ozone depletion ( if they have AC's running on CFC's), but they also cause interesting landscape to be converted into lifeless parking lots.

See why lowering gas consumption makes economic, environmental and political sense.

Good News!

Mathematics

Nutrition

How glucose, the universal fuel, is broken down so that its energy is invested in making the chemical facilitator, ATP.

Based on data from the USDA ( link provided), the best sources of protein, iron, calcium, potassium and Vitamins A and C are listed.

A discussion of saturated, trans and essential fats.

Just what are cryptoxanthin, leutin and lycopene? Click and find out .

Those harmless looking flowers are a great natural laboratory featuring some bacteria-killers.

An intro to quarks, and to the strong and weak force that binds and transforms them.

The science behind the microchips that permeate our technology is not that complicated.

A summary of the century's Nobel Prize winners and their achievements.

Rereading a few good books should take priority over buying new ones. A review of oldies but goodies.