Photographs by Scott Galvin, U-M Photo Services. Photos available for purchase through U-M Photo Services.

At U-M’s marine hydrodynamics lab, artist and inventor Anthony Reale is testing a portable generator, based on the shape of the basking shark’s mouth, that provides electrical power from river currents.

Brady Hoke is the new coach of the Michigan football team. Hoke spent eight seasons in Ann Arbor as a key member of the Wolverines’ defensive coaching staff before embarking on his head coaching career, which took him to Ball State and San Diego State universities.

Plus: Autumn sports ups and downs, from football to volleyball to soccer’s unlikely run at a title.

Photos from the press conference introducing Hoke as coach.

Looking for hopeful economic signs? Startups launched by students and faculty are transforming the way Michigan thinks about business.

Related: Four U-M startup companies win prizes in business plan competition

Faculty fight human trafficking; an alum breaks electoral ground while another takes charge of video games; U-M’s education scholars find better ways to train teachers; Wolverine hoopsters come with NBA pedigrees; and more.

The right material wrapped around your car’s exhaust system could one day scavenge heat that would otherwise be wasted, turning it into energy to warm the cabin or recharge the battery. That’s the work being done by U-M scientists using materials with the peculiar name skutterudites.

U-M’s Allen Kim won the award from Entrepreneur magazine for his company Bebarang, a baby clothes rental service that ships parents brand-name outfits at a fraction of their original cost.

University of Michigan startup companies took home the $500,000 grand prize and the $150,000 first runner-up prize on Saturday at one of the nation’s largest business plan competitions. Two other U-M-created companies received cash awards as well.

Parents and doctors should educate themselves and be cautious about the frequent use of these diagnostic tests for kids.