Glaciers may have helped warm Earth

Latest Science News — ScienceDaily
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Weathering of Earth by glaciers may have warmed the planet over eons by aiding the release of carbon dioxide into the atmosphere. A new study shows the cumulative effect may have created negative feedback that prevented runaway glaciation.

A closer look at osteoporosis medication’s mechanisms may improve outcomes

Latest Science News — ScienceDaily
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Osteoporosis is the primary cause of bone fractures in the elderly, reflecting an imbalance between osteoclasts, bone-degrading cells, and osteoblasts, bone-building cells. Teriparatide is the only FDA-approved treatment for osteoporosis that increases osteoblast activity and lifespan. Medical researchers now report that teriperatide treatment also stimulates the formation of new osteoblasts. However, their findings also show that unexpected adverse effects can develop after treatment stops.

How DNA damage turns immune cells against cancer

Latest Science News — ScienceDaily
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The delayed arrival of immune cells after cancer therapy is well documented and critical for responses to chemotherapy and radiation, yet the events underlying their induction remain poorly understood. Now, researchers have discovered how DNA damage is a clarion call for the immune system.