Cha`o ca'c ba'c, Ho^m nay co' 1 nha^.t thu+.c ma` theo ba?n -do^` tre^n New Scientist thi` bo'ng ma<.t tra<ng -di tu+` Mie^'n -Die^.n sang A^'n -Do^., Trung -Do^ng, A^u Cha^u. Kho^ng bie^'t o+? VN co' tha^'y nha^.t thu+.c kho^ng? Huy