Rats can ‘reminisce’ about places they’ve been before. Plus, how a robot chemist could make oxygen on Mars and a gene-editing method reduces cholesterol in the first human trial — but raises safety concerns. Rats can ‘reminisce’ about places they’ve been before. Plus, how a robot chemist could make oxygen on Mars and a gene-editing method reduces cholesterol in the first human trial — but raises safety concerns.
A bill and a constitutional amendment that seek to extend the rights of animals could jeopardize ecological studies. A bill and a constitutional amendment that seek to extend the rights of animals could jeopardize ecological studies.
Researchers worry the Colombian environmental ministry will side with animal-rights activists rather than curb the spread of invasive hippos once kept by drug-cartel leader Pablo Escobar