Dutch urologist Gert Dohle argues that the quality of sperm is declining as result of certain substances (especially Bisphenol A) found in wide range of plastic products as well pesticides. According to Dohle does chemicals have a negative impact on the development of male fetuses. Continue reading Decreasing quality of sperm due to polution
Recently I came across the lead crime hypothesis. According to this hypothesis, proposed by Rick Nevin, crime rates are related to the exposure to lead. More precisely Nevin argues that the crime bulge seen in multiple Western countries could be related by the use of leaded gasoline. Continue reading Public enemy #1?
Tony Perry of Bath University argues that skin cells could be used to creat mammalian embryos, both of endangered species and humans. As a fertility treatment for humans, this has several potential applications. Continue reading From skin to egg
The Independent has an interesting article:
So men, if you want to have sex more frequently, do more work in the household. It is for your own benefit!
Japanese scientist have created bioengineered skin that is almost as real as skin can get. This skin contains hair, glands and even nerves. The researchers mention two practical applications of their invention: better treatment of burn victims and as an alternative for animal testing. Continue reading Artificial skin
There are some unsolved issues relating to space colonization. Two of them are the effects of low gravity and space radiation on the human body. Hence we propose two research programs before space colonization will be realized. Continue reading Two research proposals
Scientists at Stanford University (US) have developed a battery based on aluminum instead of lithium. According to the researchers their battery is fast-charging, long-lasting and inexpensive, which are desirable properties of a battery. Continue reading Developments in battery technology
One objection, from an animal welfare perspective, against in vitro meat, is the fact that current blood serum is used to feed tissue cultures. Blood serum is a popular growth medium, because it contains the substances needed to culture cells ex vivo. Continue reading Algae and in vitro meat
A fair number of experiments on animals is done for educational purposes. For instance aspirant-surgeons practice on animals before they are allowed, or animals are dissected just to teach students what an animal looks like from the inside. Continue reading PVC Rats
A flourishing space settlement needs a functional ecosystem. And almost by definition, that means an ecosystem that can maintain itself. However, setting up a functional ecosystem is not quite easy. Continue reading Designing ecosystems