Easily accessible, primitive chemical structures produced by self-assembly of hydrophobic substances into oil droplets may result in self-moving agents able to sense their environment and move to avoid equilibrium. These structures would constitute very primitive examples of life on the Earth, even more primitive than simple bilayer vesicle structures. A few examples of simple chemical systems ...

In order to therapeutically destroy neoplasms, chemotherapy or radiotherapy is usually applied, and in isotope medicine short-lived radionuclides are injected into the tumor ( 59 Fe, 90 Y, 95 Zr, 99 mTc, 106 Ru, 114* In, 147 Eu, 148 155 170 Tm, 177 mLu, 188 Re, 210 Po, 222 Rn, 230 U, 237 Pu, 240 Cm, 241 253 Es). Binary (or neutron capture) therapy a technology designed selectively treat maligna...