There was a case of a teenage boy dying as a result of gene therapy - I seem to recall it was a reaction to the adenovirus used - but that was YEARS ago.
And now, the correct answers to all of Belda da Hun's questions...
1. Whats the 4th phase of matter? Solid, Liquid, Gas, _______
There are six phases of matter. Solid, liquid, gas, plasma, Bose-Einstein condensates and fermionic condensates.
2. If a substance goes from a liquid to a gas its called evaporating or boiling point. So what is it called when a substance goes from a solid directly to a gas?
Sublimation. The reverse process is also called sublimation.
3. What are the 2 types of nuclear reactions?
Fusion and fission.
4. Stars are in what phase of matter?
The first four, in varying degrees. Mainly plasma though.
5. What is the mechanical advantage of a pulley system with 6 pulleys? (i.e. 3 pulleys on top and 3 pulleys on the bottom)
Covered, but dumb question.
6. What is plasma? (not looking for the answer "4th phase of matter"}
Superheated gas, stripped of its electrons (and if you think stars are pure plasma, why aren't they positively charged?).
7. What do you get when you destroy mass? (couple answers for this)
A certificate from Weightwatchers.
If you mean matter, then you don't, because you can't. "Energy and matter can neither be created nor destroyed, merely changed into other forms". The FIRST law of thermodynamics.
8. Whats are all 5 types of energy?
In addition to the 5 you mentioned, there's also "Potential energy", which cannot be characterised by any of the other five until it is converted into one of them.
9. What is the difference between heat, heat energy, and temperature?
Covered.
10. Whats the phrase "absolute zero" mean?
-273.41 Celsius, or zero Kelvin. At that "temperature", atoms have no energy at all and do not vibrate as they usually would.
11. Expain the difference between nuclear fission & fusion.
Nuclear fission involves the splitting of a heavy nucleus to form to lighter nucleii. Nuclear fusion involves the combination of two light nucleii to form a single, heavier nucleus. Whether or not this results in the release of energy, or requires the input of energy, depends on the atoms used.
12. What is potential Energy?
Any energy which is stored. A coiled spring has mechanical potential energy. A fat dude on a cliff has gravitational potential energy.
13. What is Kenetic E?
Kinetic energy is any energy of motion.
14. If a basket ball is used to represent the nucleus of an atom, to scale, how far away will the NEAREST electron be?
Absolute nonsense question.
Electrons are not stored in certain orbits. Electrons appear in shells, with probabilities associated. Any electron can, at any given time, be located IN the nucleus of an atom or removed to infinity. Both locations have calculable probabilites ("not very much"). There are regions of higher probability of course, but you cannot say that an electron is "x" far from the nucleus. Ever (Heisenberg Uncertainty Principle).
Furthermore - what atom are you talking about? Hydrogen? Uranium? Hassium?
15. Name the force(s) that hold an atom together.
Strong and weak nuclear forces. Oh and, surprisingly, gravity.
16. List the 2 main parts of an atom.
Nucleus. A great big space. Electrons are a lesser part (although they can be anywhere, so the space they cover is the biggest part, while they are, themselves, the smallest).
17. list all the parts in an atom's nucleus.
At any given time, the most likely components are protons and neutrons. However, neutrons can decay, by changing an up quark to a down quark (it happens), into a proton and an electron. This can release all kinds of nonsense, like the Higgs Boson, muons, gluons, tau particles, anti-neutrinos and so on.
18. What is a mole (not the animal)?
The Avogadro's number of atoms of a given element/compound. 1 mole of anything = the total mass number of the elements contained within it, in grammes.
1 mole of hydrogen weighs 1 gram (and occupies about 22.4 litres of space).
19. What is the Avagadros number and its equation?
6.02 x 10^23
20. Is water polar or non-polar?
Water is a polar molecule.
21. What is the diff. between oxidation and reduction reactions?
OILRIG. Oxidation Is Loss (of electrons), Reduction Is Gain (of electrons)
22.How many molecules are in 1.65 moles?
993,300,000,000,000,000,000,000 (9.93 x 10^23)
. Famine will probably know though 
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