Dec 4 (Reuters) - Vaccine advisers to U. were expected to vote on Thursday on whether to scrap a broad recommendation for the hepatitis B vaccine for children, a move that would leave the choice to parents in most cases.

Yassin Marouf, 23, lies in a tent, his left foot amputated and his right leg severely wounded after being hit by Israeli shelling in May. His brother was killed in the same attack, and Marouf struggles with basic movements. Doctors say his right leg may also need amputation unless he receives treatment outside the Palestinian territory. Nearby, 34-year-old Haneen al-Mabhouh, sits in a wheelchair in her family home in Nuseirat, central Gaza, mourning the loss of her four daughters, including he

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown.