What was JJ Thomson Atomic theory? Joseph John Thomson discovered the electron in 1897. In 1904,  Thomson suggested a model of the atom as a sphere of positive  matter in which these electrons are positioned â¦by electrostatic  forces.
Cost of Perineal Hernia in Dogs. Stool softeners for dogs are usually $15 for 40 soft chews. Consult your veterinarian before trying human stool softeners on your dog. Enemas ($4 for a 4 pack) are another option.
1 The average cost of stem cell therapy for a dog is around $1,500 to as much as $3,500. 2  According to Dogstemcelltherapy.tv, stem cell therapy for dogs cost around $1,800 and lasts up to 18 months.3  On the other hand, according to Livescience.com, treatment costs around $2,000 to $3,000. The cost of stem cell therapy for dogs may vary depending on the state or region, skill and experience of the veterinarian performing the procedure, diagnosis, required method or procedure, among others. 2  The average cost of stem cell therapy for a dog is around $1,500 to as much as $3,500.