The birds and the bees talk may need an upgrade soon. Scientists are working on ways to use blood and skin cells to replace sperm and eggs. So, will sex go by the wayside?
Karen Weintraub writes about the science behind these headlines in Scientific American. She says we are still years away from human babies being created with eggs and sperm. So far scientists have only created eggs out of skin cells from mice.
The idea of creating babies without parents will likely raise a number of ethical and cultural questions. Weintraub says the scientific studies are still in such early stages that they haven't begun to receive cultural scrutiny.
Women often use hormone therapy to relieve hot flashes and other menopause symptoms — and new research suggests patches or creams may be safer for their blood pressure than pills.
The cause of global warming is showing no signs of slowing as heat-trapping carbon dioxide in Earth’s atmosphere increased to record highs in its annual Spring peak, jumping at one of the fastest rates on record, officials announced Monday.
Scientists have discovered a new asteroid that's been tagging along with Earth for the past 2,000 years. The space rock is called a "quasi-moon," since it's only slightly influenced by the Earth's gravitational pull, but it still makes the journey around the sun much like the earth does.
