Tạo màu cho tơ lụa mà không cần nhuộm
Tại sao lại phải mất công nhuộm tơ lụa khi các con tằm có thể được biến đổi gene để tạo bất cứ màu nào trong bảy sắc cầu vồng? Đó là mục tiêu của các nhà khoa học Nhật Bản khi vừa biến đổi gene của chúng để tằm sản xuất ra sợi tơ có màu nhất định.
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