The ice bucket challenge and donation link: Featuring fellow chemist Muhammad Qureshi, @moe_qureshi. ALS Ice Bucket Challenge using liquid nitrogen! Donate at Credits to Siobhan for the vertical video. Хочешь искупаться в жидком азоте? . Steve Spangler and his team take on the ALS Ice Bucket Challenge! Its the Reverse Bucket Challenge using an exploding cloud of liquid nitrogen. Dont try th.