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EarthEarth’s inner core could include silicon
Laboratory experiments investigating the crystal structure of iron-silicon alloys at high temperatures and pressures may yield new insights into the mineral composition of Earth's core.
By Sid Perkins -
AnimalsHanging around Mom’s web helps everybody
For nearly grown spiderlings, lingering in their mother's web instead of setting off on their own turns out to be a boon for the mom, as well as themselves.
By Susan Milius -
Health & MedicineGenes make potential target in lymph cancer
Scientists looking for DNA variations in a cancer called diffuse large B-cell lymphoma have found that excess activity in certain genes may indicate whether the disease will be fatal.