56 African heritage sites threatened by extreme coastal events: Study
North Africa has the largest number of exposed sites
Ecology of violence
Violence in Sinai can be explained in its remoteness from Egypt’s power centers. Its desert ecology, mountain covers, and a long coastline …
Biological heart pacemakers could be a reality in near future
Scientists convert ordinary heart cells in pigs into pacemaker cells by injecting a gene
Research on avian influenza virus to resume
Scientists had suspended research a year ago following public safety concerns over laboratory-modified H5N1 viruses